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Samsung AM007FN1DCH/AA, Service Manual, Page: 140 / 233

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Samsung AM007FN1DCH/AA Service Manual Download Page 140

Troubleshooting

4-50

Samsung Electronics

4-4-24  Communication error between main and sub Unit of outdoor unit or between outdoor units

-

·  Communication error between outdoor units.

·  Refer to the judgment method below.

Indoorunit display 

Judgment Method

Cause of problem

Outdoor unit display

Reset error (Key 3)

Check the outdoor unit with error.  

(U200, U201, U202, U203)

Is the power supply normal?

15V, 5V

Check wiring of outdoor unit 

communication cable.

Check K13 and K14 setup  

options for outdoor unit.

Replace PCB.

Check the power

Change wiring or connect

Change settings

Yes

Yes

Yes

No

No

No

1.  Cause of problem

Essential Requirements before Changing PCB in Case of Communication Error: Refer to p.59

Summary of Contents for AM007FN1DCH/AA

Page 1: ...A AM009 018 024 030 036 048FN4DCH AA AM007 009 012FNLDCH AA AM018 024FNLDCH AA AM030 036 048FNLDCH AA AM018 024FNMDCH AA AM030 036FNMDCH AA AM048FNMDCH AA AM007 009 012 018 020 024FNTDCH AA AM036 048FNHDCH AA AM076 096FNHDCH AA AM018 024FNCDCH AA 1 Precautions 2 Product Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram and Parts List 6 Wiring Diagram 7 Reference Sheet ...

Page 2: ...4 2ServiceOperation 4 2 4 2 1SpecialOperation 4 2 4 3Troubleshooting 4 7 4 3 1SettingOptionSetupMethod 4 7 4 3 2OptionItems 4 13 4 3 3Whattocheckbeforediagnosis 4 16 4 3 4NumberDisplayMethod OutdoorUnit MCU Cableremotecontrol wall mount etc 4 23 4 4AppropriateMeasuresforDifferentSymptom 4 28 4 4 1OutdoorUnitOperationFlow 4 28 4 4 2MainPCBhasnopowerphenomenon 4 29 4 4 3IndoorUnitROOMsensorError Ope...

Page 3: ...nerror 4 64 4 4 39CondOutTemperatureSensorError Open Short 4 65 4 4 40OutdoorCondOutsensorbreakawayerror 4 66 4 4 41DigitalCompressorDischargeTemperatureSensorError OPEN SHORT 4 67 4 4 42ConstantRateCompressorDischargeTemperatureSensorError OPEN SHORT 4 68 4 4 43CompressorDischargeorTop1 2Temperaturesensorerror 4 69 4 4 44E265 DislocationerrorofCompressorSUMPTemperature oiltemperature Sensor 4 70 ...

Page 4: ...malfunction 2nd stage 4 113 5 PCBDiagramandPartsList 5 1 5 1IndoorUnit 5 1 5 1 1Slim1waycassettetype 5 1 5 1 24waycassette mini4waycasettetype 5 3 5 1 3Ducttype SLIM1 2 5 5 5 1 4Ducttype SlimDuct3 5 8 5 1 5Ducttype MSP 5 11 5 1 6Ducttype Super 5 13 5 1 7Celingtype 5 15 5 1 8Wall Mountedtype NeoForte 5 17 6 WiringDiagram 6 1 6 1Indoor 6 1 6 1 1Global4way GlobalMini 4way cassteettype 6 1 6 1 2Slim1w...

Page 5: ...atic electricity Please wear insulation gloves before performing PCB repair and measurement O Check if the place of installation is at least 2m away from electronic appliances such as TV video players and stereos This can cause irregular noise or degrade the picture quality O Please make sure the customer does not directly repair the product Arbitrary dismantling may result in electric shock or fi...

Page 6: ...a danger to workers O Please remove the oxide produced inside the pipe during the welding with nitrogen gas Using another gas may cause harm to the product or others 1 6 Precautions for Additional Supplement of Air Conditioner Refrigerant O Precisely calculate the refrigerant by using a scale and S net and proceed with the test operation Excessive supplement can cause harm to the product since it ...

Page 7: ...y devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 6 35 ø inch 1 4 1 4 1 4 Gas Pipe Flare ø mm 12 7 12 7 12 7 ø inch 1 2 1 2 1 2 Drain Pipe Quick lock ø mm VP 20 ODø26 IDø20 VP20 OD 26 ID 20 VP20 OD 26 ID 20 Dimensions NetWeight kg 16 16 16 lbs 35 3 35 3 35 3 ShippingWeight kg 18 18 18 lbs 39 7 39 7 39 7 Net Dimensions W H D mm 970 x 135 x 410 970 x 135 x 410 970 x 135 x ...

Page 8: ...0N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 C WB Outdoor temperature 35 C DB 24 C WB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature 20 C DB 15 ...

Page 9: ...com Thermistors Safety devices Fuse Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 6 35 6 35 ø inch 1 4 1 4 1 4 1 4 Gas Pipe Flare ø mm 12 7 12 7 12 7 12 7 ø inch 1 2 1 2 1 2 1 2 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 Dimensions NetWeight kg 12 12 12 12 lbs 26 5 26 5 26 5 26 5 ShippingWeight kg 14 14 14 14 lbs 30 9 30 9 30...

Page 10: ...e controller MWR WE10N MWR WE10N MWR WE10N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capaciti...

Page 11: ...com Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 6 35 ø inch 1 4 1 4 1 4 Gas Pipe Flare ø mm 12 7 12 7 12 7 ø inch 1 2 1 2 1 2 Drain Pipe Quick lock ø mm VP25 OD32 ID25 VP25 OD32 ID25 VP25 OD32 ID25 Dimensions NetWeight kg 25 25 25 lbs 55 1 55 1 55 1 ShippingWeight kg 31 31 31 lbs 68 3 68 3 68 3 Net Dimensions W H D mm 840 x 218 x ...

Page 12: ...WR WE10N MWR WE10N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperatu...

Page 13: ...Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 9 52 9 52 9 52 ø inch 3 8 3 8 3 8 Gas Pipe Flare ø mm 15 88 15 88 15 88 ø inch 5 8 5 8 5 8 Drain Pipe Quick lock ø mm VP25 OD32 ID25 VP25 OD32 ID25 VP25 OD32 ID25 Dimensions NetWeight kg 29 29 29 lbs 63 9 63 9 63 9 ShippingWeight kg 35 35 35 lbs 77 2 77 2 77 2 Net Dimensions W H D mm 840 x 298 x 8...

Page 14: ...WR WE10N MWR WE10N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperatu...

Page 15: ...nd Power High Mid Low Refrigerant Type R 410A R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 6 35 ø inch 1 4 1 4 1 4 Gas Pipe Flare ø mm 12 7 12 7 12 7 ø inch 1 2 1 2 1 2 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD ...

Page 16: ...N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacitie...

Page 17: ...0 39 0 35 0 Sound Power High Mid Low Refrigerant Type R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 9 52 ø inch 1 4 3 8 Gas Pipe Flare ø mm 12 7 15 88 ø inch 1 2 5 8 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 Dimensions NetWeight kg 31 31 lbs 68...

Page 18: ...t interface module MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature 20 C DB 15 CWB Ou...

Page 19: ...Power High Mid Low Refrigerant Type R 410A R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 9 52 9 52 9 52 ø inch 3 8 3 8 3 8 Gas Pipe Flare ø mm 15 88 15 88 15 88 ø inch 5 8 5 8 5 8 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD ...

Page 20: ...N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacitie...

Page 21: ... 0 39 0 37 0 35 0 Sound Power High Mid Low Refrigerant Type R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 9 52 ø inch 1 4 3 8 Gas Pipe Flare ø mm 12 7 15 88 ø inch 1 2 5 8 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 Dimensions NetWeight kg 31 31 ...

Page 22: ...ontact interface module MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature 20 C DB 15 C...

Page 23: ... 0 Sound Power High Mid Low Refrigerant Type R 410A R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 9 52 9 52 9 52 ø inch 3 8 3 8 3 8 Gas Pipe Flare ø mm 15 88 15 88 15 88 ø inch 5 8 5 8 5 8 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25...

Page 24: ...E10N MWR WE10N External contact interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capaci...

Page 25: ...ow Refrigerant Type R 410A R 410A R 410A Control Method EEV NOT INCLUDED EEV NOT INCLUDED EEV NOT INCLUDED Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 6 35 ø inch 1 4 1 4 1 4 Gas Pipe Flare ø mm 12 7 12 7 12 7 ø inch 1 2 1 2 1 2 Drain Pipe Quick lock ø mm ID 18 HOSE ID 18 HOSE ID 18 HOSE...

Page 26: ...act interface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits MXD MEV series MXD MEV series MXD MEV series 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temper...

Page 27: ... R 410A R 410A Control Method EEV NOT INCLUDED EEV NOT INCLUDED EEV NOT INCLUDED Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 6 35 9 52 ø inch 1 4 1 4 3 8 Gas Pipe Flare ø mm 12 7 12 7 15 88 ø inch 1 2 1 2 5 8 Drain Pipe Quick lock ø mm ID 18 HOSE ID 18 HOSE ID 18 HOSE Dimensions NetWeight kg ...

Page 28: ...nterface module MIM B14 MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits MXD MEV series MXD MEV series MXD MEV series 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature...

Page 29: ... 45 0 Sound Power High Mid Low Refrigerant Type R 410A R 410A Control Method EEV INCLUDED EEV INCLUDED Temperature Control Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 9 52 9 52 ø inch 3 8 3 8 Gas Pipe Flare ø mm 19 05 22 22 ø inch 3 4 7 8 Drain Pipe Quick lock ø mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 Dimensions NetWeight kg 89 89 lbs 196 2 1...

Page 30: ...module MIM B14 MIM B14 Duct Receiver kits Receiver MRK A10 MRK A10 Receiver wire MRW 10A MRW 10A EEV kits 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature 20 C DB 15 CWB Outdoor temper...

Page 31: ...erant Type R 410A R 410A Control Method EEV NOT INCLUDED EEV NOT INCLUDED Temperature Control Micom Thermistors Micom Thermistors Safety devices Fuse Fuse Piping Connections Liquid Pipe Flare ø mm 6 35 9 52 ø inch 1 4 3 8 Gas Pipe Flare ø mm 12 7 15 88 ø inch 1 2 5 8 Drain Pipe Quick lock ø mm VP18 OD 19 ID 16 VP18 OD 19 ID 16 Dimensions NetWeight kg 22 22 lbs 48 5 48 5 ShippingWeight kg 26 26 lbs...

Page 32: ...MIM B14 MIM B14 Duct Receiver kits Receiver Receiver wire EEV kits MXD MEV series MXD MEV series 1 Mode HP Heat Pump HR Heat Recovery 2 Nominal cooling capacities are based on Indoor temperature 27 C DB 19 CWB Outdoor temperature 35 C DB 24 CWB Equivalent refrigerant piping 7 5m Level differences 0m 3 Nominal heating capacities are based on Indoor temperature 20 C DB 15 CWB Outdoor temperature 7 C...

Page 33: ...Wireless remote controller MR DH00U Cassette Duct Receiver needed Wall mounted Ceiling No receiver needed Wired remote controller Multi function MWR WE10N Cassette Wall mounted Ceiling Duct Wireless signal receiver MRK A10N Duct for wireless remote controller Remote sensor MRW TA Cassette Wall mounted Ceiling Duct Building management system Lonworks interface module MIM B18N DVM S DMS Bnet BACnet ...

Page 34: ...W 154MBH EEVkit MXD E24K132A 2indoorunits 7 15 5 17 31K HP Wall mounted Ceiling Option MXD E24K200A 2indoorunits 7 15 5K MXD E32K200A 2indoorunits 7 31K MXD E24K232A 3indoorunits 7 15 5 17 31K HP Wall mounted Ceiling Option MXD E24K300A 3indoorunits 7 15 5K MXD E32K224A 3indoorunits 7 15 5 17 31K MXD E32K300A 3indoorunits 17 31K MEV E24SA 1indoorunit Below12K Wall mounted Ceiling Option MEV E32SA ...

Page 35: ...Samsung Electronics 3 1 Q Necessary Tools 3 Disassembly and Reassembly Item Remark Screw Driver Monkey Spanner Screw Driver Nipper Electric Motion Driver L Wrench ...

Page 36: ...ill and open it 2 Separate 1 clip from the Panel and tilt the Grill to 45 and separate the Grille from the Panel 3 Separate the Filter from the Panel 4 Separate 3 cover screws from it 5 Unscrew 6 fixed screws and separate them from the Indoor Unit Use Screw Driver 3 1 Indoor Unit Q Slim 1 way cassette type ...

Page 37: ...Disassembly and Reassembly Samsung Electronics 3 3 No Parts Procedure Remark 6 Press the left and right Hooks to separate the Panel from the Indoor Unit ...

Page 38: ...ing screws from the Drain Pan Use Screw Driver 2 Pull the Drain Pan to separate them from the Indoor Unit When disassembling the Pan be careful not to touch the heat exchanger board with a bare hand 3 Control In 1 Undo 3 fixing screws in the Control In appliance part to separate the Cover Use Screw Driver ...

Page 39: ...assembly Samsung Electronics 3 5 No Parts Procedure Remark 2 Separate 8 connecters on the PCB of the Indoor Unit 3 Separate the Control In from the Indoor Unit 4 Drain Sub 1 Push the hook on the Drain Sub to separate it ...

Page 40: ...ger 1 Undo fixing screw in the Heat Exchanger Use Screw Driver 2 Separate an Indoor Sensor from the Heat Exchanger 3 Separate the Heat Exchanger from the Indoor Unit 6 Cross Fan 1 Undo 3 fixing screws on the Cover Fan Motor Use Screw Driver 2 Separate the Cover Fan Motor from the Indoor Unit ...

Page 41: ... 3 7 No Parts Procedure Remark 3 Separate the Cross Fan from the Indoor Unit 7 Drain Pump 1 Separate fixing screw in the Cover Drain Pump Use Screw Driver 2 Separate the Drain Hose from the Drain Pump 3 Separate the Drain Pump from the Indoor Unit ...

Page 42: ...k 1 MOTOR BLOWER 1 Detach the motor connectors from the PCB 2 Unscew 16 screws and detach Cabinet Base Blower Use Screw Driver 3 Unscrew 8 screws and detach Case Blower Use Screw Driver 4 Unscrew 4 bolts and separate Motor blower from Bracket Motor Use Screw Driver Q BIG DUCT ...

Page 43: ...lt and Separate Blower from the motor Use Screw Driver 2 EVAPORATOR DRAIN PAN 1 Detach EEV and Sensor connectors from the PCB Use Screw Driver 2 Unscrew 8 screws and Detach Cover Pipe Use Screw Driver 3 Unscrew 31 screws and detach Cabinet Base Blower andCabinet Base Drain Use Screw Driver ...

Page 44: ...Disassembly and Reassembly 3 10 Samsung Electronics No Parts Procedure Remark 4 Unscrew 10 screws and detach Drain Pan from the indoor unit Use Screw Driver 5 Separate Evaporator from the indoor unit ...

Page 45: ...towards the product s interior to open the Grille 2 Push up the green knob in the Open direction and detach the white link from the panel Detach the safety clip 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the Remocon Receiver and Blade Connector Wire from the PBA 3EA 5 Push the 4 panel corners and cover downwards to remove it ...

Page 46: ... Hangers at both sides of the panel inwards and rotate them 90 degrees to remove it from the indoor unit s Hock Remove the panel from the indoor unit 2 Control Box 1 Disconnect the Connector Wire that is connected to the indoor unit s PBA from the PBA 2 Unscrew the 2 fixed screws on both sides of the Control Box and disassemble the Control Box from the indoor unit Use Screw Driver ...

Page 47: ... Unscrew the screw fixed on the Bell Mouth Use Screw Driver 2 Push the Bell Mouth in the direction opposite to where it s installed on the Control Box to remove it 4 Drain Pan 1 Unscrew the screws on the 4 corners of the indoor unit Use Screw Driver 2 Remove the Drain Pan from the indoor unit ...

Page 48: ...te drainage hose from the Drain Pump Use Screw Driver 2 Remove the 2 screws and take the Drain Hose out from the indoor unit to disassemble the transparent Drain Hose fixed on the side of the indoor unit Use Screw Driver 6 Evap Temperature Sensor 1 Use your hand to remove the temperature sensor attached to the Evap Pipe along with the fixing clip ...

Page 49: ...he three hexangular nuts on the Motor counterclockwise to remove the nuts Take the Motor Wires attached to these three locations out with your hands prior to removing the Motor 8 Evaporator 1 Remove the screws of the 2 Steel Holder Evaps that are used to fix the Heat Exchanger and then remove it Use Screw Driver 2 Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger s In Out Pipe...

Page 50: ...ly 3 16 Samsung Electronics No Parts Procedure Remark 3 Remove the screw of the Cover Pipe that is used to fix the In Out Pipe Remove the In Out Pipe Use Screw Driver 4 Remove the Heat Exchanger from the indoor unit s cabinet ...

Page 51: ...er 1 Disassemble the Cabinet Top Motor Unscrew 8 screws 2 Disassemble 2 Cover Blower Uppers After unscrewing 2 screws Disassemble the Cover Blower Upper with pushing its hook 3 Disassemble the Cover Control Unscrew 2 screws 4 Disassemble Motor Wires connected to the inside of PCB and connected to the Capacitor ...

Page 52: ... Motor earth wire connected to the Partition Unscrew a screw 6 Disassemble the band Motor for fixing the Motor Unscrew 2 screws 7 After disassembling the Motor and Blower for the set disassemble the Blower by use of 3mm wrench 2 Ass y Drain Pan 1 Disassemble the Cabinet Top Evap Unscrew 11 screws ...

Page 53: ...crews 3 Disassemble the Drain Cushion from the set 3 Ass y Evap The Evaporator should be disassembled after disassembling the Cover Control 1 3 and the Drain Pan 2 1 2 2 2 3 1 Disassemble the Cover Pipe that fixes the high low pressure Pipe Unscrew 2 screws 2 Disassemble the refrigerant temperature sen sor Inlet air temperature sensor and EEV wire that connected to the inside of PCB ...

Page 54: ...ort Evap RH Unscrew 2 screws 5 Disassemble the Evaporator form the set 4 Ass y Control In The Control In should be disassembled after disassembling the Cover Control 1 3 1 Disassemble all Control Wires connected to the inside of PCB 2 In case of disassembling the PCB separately disassemble the PCB from the case with push ing the hook after unscrewing the screw Unscrew 1 screw ...

Page 55: ...se Control dis assemble the Case Control from the set after unscrewing the screw connected to the direc tion of Blower Disassemble if after disassembling the Cabinet Top Motor 1 1 5 In case of disassembling the Trans Power unscrew the screw fixing on the Case Disassemble if after disassembling the case PCB 4 4 5 Bracket Outlet 1 Disassemble the Bracket Outlet assembled on the Cabinet Unscrew 10 sc...

Page 56: ...sembly 3 22 Samsung Electronics Q Duct type Slim3 No Parts Procedure Remark 1 Filter 1 DPull out the Filter as picture 1 or picture 2 2 DIf it is necessary after disassembling 8 indi cating screws detach the Bracket Filter ...

Page 57: ...n the side of the set the procedure of disassembling the Filter is just as the above 5 Bracket Outlet 1 After disassembling 13 indicating screws detach Ass y Cabinet Top Motor 2 After disassembling 3 indicating screws detach Ass y Case Blower Upper Press the pothook of the Case Blower and detach Ass y Case Blower Upper ...

Page 58: ... 3 After disassembling 2 indicating screws detach the Cover Control 4 Detach the Motor Wire Connected to PCB and Capacitor 5 After disassembling the indicating screws detach the wire connected to the Partition 6 After disassembling 2 indicating screws detach the Ass y Band Motor ...

Page 59: ... disassembling the Motor and Blowers detach the Blowers from the axis of the Motor by 3mm inner hexagon spanner 3 Drain Pan 1 After disassembling 15 indicating screws detach Ass y Cabinet Top Evap 2 After disassembling 6 indicating screws detach the Bracket Outlet 3 Detach the Drain Pan ...

Page 60: ...e procedures above detach the Evaporator 1 After disassembling 2 indicating screws detach Ass y Cover Pipe 2 Detach the Sensor from the Control Box including 2 Sensors 3 After disassembling 2 indicating screws detach Ass y Support Evap LF 4 After disassembling 2 indicating screws detach Ass y Support Evap RH ...

Page 61: ...er disas sembling the Cover Control 1 Detach all the wires connected to the PCB 2 If only the disassembly of PCB required press the Pothook and detach the PCB from the set 3 If only the disassembly of Capacitor is required detach it from the set 4 If only the disassembly of Case Control is required detach it from the set after disassem bling 2 indicating screws ...

Page 62: ... No Parts Procedure Remark 7 Ass y Cross Fan 5 Detach the Transformer after disassembling 2 indicating screws Work is possible after disassembling the Case PCB 6 Ass y Bracket Outlet 2 After disassembling 16 indicating screws detach Ass y Bracket Outlet ...

Page 63: ...rk 1 Filter 1 After disassembling 16 places indicating screws detach Ass y Cabi Bottom Blower Use Screw Driver 2 Detach from Ass y Control In the capacitor connection wire between the Motor Fan and housing connector 3 After disassembling 2 places indicating screws detach the 2 Fan Case Use Screw Driver ...

Page 64: ...s Procedure Remark 4 After disassembling 2 places indicating screws detach Fan Motor and Blower from the set 2 Control In 1 After disassembling 1 Indicating screw detach the Cover control Use Screw Driver 2 Detach the Motor Fan and Sensor Connector from the PCB ...

Page 65: ...rocedure Remark 3 Disassemble 4 indicating screws and detach Control In from the set Use Screw Driver 3 Drain Pan Work is possible when Disassembling the Ass y Cabi Bottom Blower 1 Disassemble 7 indicating screws and detach Ass y Cabi Bottom Drain Use Screw Driver ...

Page 66: ... Samsung Electronics No Parts Procedure Remark 2 Disassemble 2 indicating screws and detach Holder Pipe Use Screw Driver 3 Disassemble 4 indicating screws and detach the Drain Pan 2 screws each at left and right side Use Screw Driver ...

Page 67: ...en Disassembling the Ass y Drain Pan 1 Disassemble 5 indicating screws to detach Cover Pipe Use Screw Driver 2 Disassemble Sensor on the Evap 3 Disassemble 4 indicating screws which are in the near of Hanger Plate to detach the Evap 2 screws each at left and right side Use Screw Driver It needs 2 peoples ...

Page 68: ...1 Blower Motor 1 After disassembling 15 places indicating screws detach Ass y Cabi Bottom Blower Use Screw Driver 2 Detach from Ass y Control In the capacitor connection wire between the Motor Fan and housing connector 3 After disassembling 4 places indicating screws detach the 2 Fan Case Use Screw Driver ...

Page 69: ...ure Remark 4 After disassembling 2 places indicating screws detach Fan Motor and Blower from the set Use Screw Driver 3 Drain Pan 1 After disassembling 1 Indicating screw detach the Cover control Use Screw Driver 2 Detach the Motor Fan and Sensor Connector from the PCB ...

Page 70: ...rocedure Remark 3 Disassemble 4 indicating screws and detach Control In from the set Use Screw Driver 3 Drain Pan Work is possible when Disassembling the Ass y Cabi Bottom Blower 1 Disassemble 6 indicating screws and detach Ass y Cabi Bottom Drain Use Screw Driver ...

Page 71: ...s and detach Holder Pipe Use Screw Driver 3 Disassemble 6 indicating screws and detach the Drain Pan Use Screw Driver 3 screws each at left and right side 4 Evap Work is possible when Disassembling the Ass y Cabi Bottom Blower 1 Disassemble 6 indicating screws and detach Ass y Cabi Bottom Drain Use Screw Driver ...

Page 72: ...3 38 Samsung Electronics No Parts Procedure Remark 2 Disassemble Sensor on the Evap 3 Disassemble 2 indicating screws which are in the near of Hanger Plate to detach the Evap 1 screw each at left and right side It needs 2 peoples ...

Page 73: ...onics 3 39 Q CEILING No Parts Procedure Remark 1 Electrical Part 1 Open the Grille by pressing 3 position center and both side 2 Detach the Air Inlet Grille 3 Open the Cover of Component Electrical Box by removing 3 screws center and both side ...

Page 74: ...sassembly and Reassembly 3 40 Samsung Electronics No Parts Procedure Remark 2 Fan Motor 1 Detach the screw and untie earth wire of Motor 2 Disconnect of housing of Motor Wire 3 DisconnecttheCapacitorWire ...

Page 75: ...ssembly Samsung Electronics 3 41 No Parts Procedure Remark 4 Loosen the Guard Safety by removing 6 screws 5 Detach the Upper Case of Fan 2EA 6 Loosen the 4 screws what is fix the Motor 7 Detach the Fan and Motor assembly ...

Page 76: ...Remark 8 Loosen the set fixing bolts with a M3 wrench 9 Detach the Fan 3 DrainPan 1 Disconnect the Display PCB Wire as shown in picture white housing 2 Disconnect the Step Motor Wire as shown in picture blue housing 3 Disassemble the Hanger Bracket by removing the 1 screw ...

Page 77: ... 43 No Parts Procedure Remark 4 Loosen the 3 screws of Front Side 5 Disassemble the assembly Front Cover Part 6 Disconnect the Step Motor Wire as shown in picture 7 Detach the Wire Clamp fixed in Base Part 8 Detach the Front Cover assembly completely ...

Page 78: ... Samsung Electronics No Parts Procedure Remark 9 Loosen the screw what is fix with Base Part and Drain Pan Upper Side 2EA 10 Loosen the screw what is fix with Base Part and Drain Pan Lower Side 2EA 11 Detach the Drain Pan completely ...

Page 79: ...t the Thermistor Wire as shown in picture white housing 2 Loosen the 2 screws shown in picture 3 Loosen the 2 screws shown in picture and remove Plastic Part white 4 Loosen the 2 screws shown in picture and remove Steel Bracket 5 Disassemble the 4 screws Steel Plate in rear side of the unit ...

Page 80: ...Disassembly and Reassembly 3 46 Samsung Electronics No Parts Procedure Remark 6 Loosen the 2 screws as shown in picture 7 Detach the Plastic Cover as shown in picture 8 Detach the Evaporator assembly ...

Page 81: ...ver assembly as shown in picture 2 Loosen the 2 screws as shown in picture 3 Disassemble the Blade and Stepping Motor assembly and remove the 2 Screws Stepping Motor 6 DisplayPCB 1 Loosen the 3 screws in rear side of Front Cover assembly as shown in picture 2 Disassemble Display PCB assembly and Disconnect Wire 3 Disassemble the Display PCB ...

Page 82: ...he Front Grille by pulling right and left sides of the hook 3 Loosen 1 of the right screw CCW and detach the Terminal Cover Use Screw Driver 4 Detach the thermistor from the Front Grille 5 Loosen 2 fixing screws CCW of Front Grille 6 Unlock 3 hooks to fix Panel Front and Tray Drain Use Screw Driver All the procedure has to be verified because the cover should not open when the unit is installed ...

Page 83: ...rol In MainPCB 1 Take all the connector of PCB upper side out Inclusion Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 Loosen 4 fixing screws CCW of Ass y Control In Use Screw Driver You can disassembly Ass y Control In without evaporator disassembled 3 TrayDrain 1 Pull Tray Drain out from the Back Body ...

Page 84: ...ide 4 Loosen the 4 fixing screws CCW of right and left side Use Screw Driver 5 Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit First checkComp Downandthen disconnecttheconnectionpipesbefore youdisassembletheEvaporatorfrom indoorunit 5 FanMotor CrossFan 1 Loosen the fixing screw CCW Use Screw Driver 2 Detach the Fan Motor from the Fan 3 Detach the Fan ...

Page 85: ...down ward Two safety clips are mounted to the front grille to prevent it from dropping 2 Detach the safity clip and take up the grille 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the Remocon Receiver and Blade Connector Wire from the PBA 3EA 5 Push the 4 panel corners and cover down wards to remove it ...

Page 86: ...rners 7 Press the Hangers at both sides of the panel inwards to remove it from the indoor unit s hook Remove the panel from the indoor unit 2 Control Box 1 Disconnect the Connector Wire that is con nected to the indoor unit s PBA 2 Unscrew the 2 fixed screws on both sides of the Control Box and disassemble the Control Box from the indoor unit Use Screw Driver ...

Page 87: ... Unscrew the screw fixed on the Bell Mouth Use Screw Driver 2 Push the Bell Mouth in the direction oppo site to where it s installed on the Control Box to remove it 4 DrainPan 1 Unscrew the screws on the 4 corners of the indoor unit Use Screw Driver 2 Remove the Drain Pan from the indoor unit ...

Page 88: ...e drainage hose from the Drain Pump Use Screw Driver 2 Remove the 2 screws and take the Drain Hose out from the indoor unit to disas semble the transparent Drain Hose fixed on the side of the indoor unit Use Screw Driver 6 Evap Temperature Sensor 1 Use your hand to remove the temperature sensor attached to the Evap Pipe along with the fixing clip ...

Page 89: ...the three hexangular nuts on the Motor counterclockwise to remove the nuts Take the Motor Wires attached to these three locations out with your hands prior to removing the Motor 8 Evaporator 1 Remove the screws of the Steel Holder Evaps that are used to fix the Heat Exchanger and then remove it Use Screw Driver 2 Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger s In Out Pipe ...

Page 90: ...ly 3 56 Samsung Electronics No Parts Procedure Remark 3 Remove the screw of the Cover Pipe that is used to fix the In Out Pipe Remove the In Out Pipe Use Screw Driver 4 Remove the Heat Exchanger from the indoor unit s cabinet ...

Page 91: ...load PC SMW200 10black 6 Setupthenumberofconnectedoutdoorunits 2 MICOM download AS PRO SMW200 07Pwhite 7 Forcheckingindoorunitcommunication YW396 02Pred 3 ERRORDISPLAY 8 Transmitter12V YW396 02Pblue 4 StateCheck SMW250 04Pred 9 OutdoorUnitTactSwitch 5 EEPROMSOCKET 10 OutdoorUnitDipSwitch 3 6 8 7 4 9 1 5 2 10 ...

Page 92: ... BLANK K2 Numberofpress Keyoperation Displayonsegment 1time RefrigerantcharginginCoolingmode K 5 BLANK BLANK 2times TrialoperationinCoolingmode K 6 BLANK BLANK 3times PumpdownallunitsinCoolingmode K 7 BLANK BLANK 4times H R Checkingthepipeconnection H P Automaticsettingofoperationmode Cooling Heating fortrailoperation K 8 BLANK BLANK 5times Checkingtheamountofrefrigerant K 9 XX Displayoflasttwodig...

Page 93: ...duct Operationtime Min 60minutes Max 10hours Etc Exceedthemaximumoperatingtimeatstopsandwaits Protectionandcontrol self diagnosisisperformed غ Refrigerant filling operation ـ Operationtofillingtherefrigerantcompressorwasfixedatacertainfrequency Cooling Heating MethodofEntry K2TactSwitchonetime K1TactSwitchonetime Compressor Startingfrequency MildStartfrequency operation IndoorUnit Wholeoperation Th...

Page 94: ...etystart OnlythecorrespondingOutdoorUnitoperation Topumpoutmorethan2 ExceptcommunicationbetweenOutdoorUnitofrelevantsetafterworkingforone remaindersetmakesPumpOutadd غ Cooling Pump Down ـ RecovertherefrigerantofIndoorUnitandPipingtooutdoorside ـ Liquidpipeservicevalveandthegaspipeservicevalveoperation theoperatormanuallyneedtoclose ـ Iftheinstallationofthelongpipe Anyrefrigerantintotheoutdoorunitc...

Page 95: ...operlyrun Waituntilnaturaldischarge Inparticular E464 E364 powerdevicesmaybedamaged thereforedonotusethedischargemode ـ BlocktheInverterPCB3 phaserelayafterconnectedthepower andthroughcompressor DCvoltageisdischarging INV1andINV2DCvoltageduringdischargemodearedisplayedalternately DischargemodeDisplay Rotatethethreepagedisplay asshownbelow K A ࣖDCLinkVolt1 Forexample 120 V 0120display ࣖDCLinkVolt2 ...

Page 96: ...es Startpattern Heatingcommissioningpattern Defroststart Defroststart Itisafter10minuteswhichSafetyStartfinishes Defrostoff Generaldefrostoperationconditionsarethesameas Etc Defrostshutdownandstopthenormalpatternoftheoutdoorunitstop MethodofEntry K2TactSwitch7times Startpattern Outdoortemperatureismorethan10 C Coolingcommissioning Outdoortemperatureislessthan10 C Heatingcommissioning Oilrecoveryst...

Page 97: ...ngmodefor setting option Option setting mode Step 1 Entering mode to set option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing High Temp button and Low Temp button 3 Check if you have entered the option setting status Step 2 The procedure of option setting After entering the option setting status select the option as listed below O...

Page 98: ...g SEG6 SEG8 option Press Low Fan button to enter SEG6 value Press High Fan button to enter SEG8 value Each time you press the button will be selected in rotation 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON status 7 Setting SEG9 SEG10 option Press Low Fan button to enter SEG9 value Press High Fan button to enter SEG10 value Each time you press the button will be selecte...

Page 99: ...be change to Dry mode in the OFF status 15 Setting SEG18 SEG20 option Press Low Fan button to enter SEG18 value Press High Fan button to enter SEG20 value Each time you press the button will be selected in rotation 16 Setting Fan mode Press Mode button to be change to Fan mode in the OFF status 17 Setting SEG21 SEG22 option Press Low Fan button to enter SEG21 value Press High Fan button to enter S...

Page 100: ... not Step 4 Input option Press operation button with the direction of remote control for set For the correct option setting you must input the option twice Step 5 Check operation 1 Reset the indoor unit by pressing the RESET button of indoor unit or outdoor unit 2 Take the batteries out of the remote controller and insert them again and then press the operation button ...

Page 101: ...G11 SEG12 1 Drain pump Hot water heater Electronic heater Opening the electronic expansion valve Master Slave SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 External control External control output S Plasma ion Buzzer Number of hours using filter SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 3 Individual control of a remote controller Heating setting compensation EEV opening of an indoor unit stopped during oil retur...

Page 102: ...Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Explanation PAGE Use of external control Setting the output of external control S Plasma ion Buzzer control Number of hours using filter Remote Controller Display Indication and Details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 2 0 Disuse 0 Thermo on 0 Disuse 0 Mixedoperation control1 ...

Page 103: ...Slim1 AM007FNLDCH AA 010054 1254AE 201616 331110 010054 1255D1 201616 331110 010054 1255D1 201616 331110 010054 125904 201616 331110 AM009FNLDCH AA 010054 121913 201C1C 331110 010054 121946 201C1C 331110 010054 121946 201C1C 331110 010054 121979 201C1C 331110 AM012FNLDCH AA 010054 121946 202323 331110 010054 121979 202323 331110 010054 121979 202323 331110 010054 1219AC 202323 331110 Slim2 AM018FN...

Page 104: ... 203434 331110 AM024FNMDCH AA 010054 125904 204848 331110 010054 125936 204848 331110 010054 125979 204848 331110 010054 125DF9 204848 331110 010054 125DFC 204848 331110 MSP 1 AM030FNMDCH AA 010054 1259CE 205A5A 331110 010054 125E02 205A5A 331110 010054 125E46 205A5A 331110 AM036FNMDCH AA 010054 125E00 206E6E 331110 010054 125E44 206E6E 331110 010054 125E88 206E6E 331110 MSP 2 AM048FNMDCH AA 01005...

Page 105: ...unitsensorerrorthatisnotontheabovelist E221 E237 E251 1 Whenthereisnocommunicationbetweentheindoor outdoorunitsfor 2minutes 2 Communicationerrorreceivedfromtheoutdoorunit 3 3miniutetrackingerroronoutdoorunit 4 Communicationerroraftertrackingduetounmatchingnumberof installedunits 5 Errorduetorepeatedcommunicationaddress 6 CommunicationaddressnotconfirmedOtheroutdoorunit communicationerrorthatisnoto...

Page 106: ...rdownduetolowpressuresensorpreventioncontrol_1 14 Simultaneousopeningofcooling heatingMCUSOLvalve 1stdetection 15 Simultaneousopeningofcooling heatingMCUSOLvalve 2nddetection Otheroutdoorunitself diagnosiserrorthatisnotontheabovelist E241 E554 E450 E451 E416 E559 E425 E403 E301 E306 E428 E413 E410 E180 E181 Flowatings w 2nddetection E153 EEPROMerror E162 EEPROMoptionerror E163 Errorduetoincompatib...

Page 107: ...dunits 5 Errorduetorepeatedcommunicationaddress 6 Communicationaddressnotconfirmed Otheroutdoorunitcommunicationerrorthatisnotontheabovelist E101 E102 E202 E201 E108 E109 Selfdiagnosiserrordisplay 1 ErrorduetoopenedEEV 2nddetection 2 ErrorduetoclosedEEV 2nddetection 3 Evainsensorisdetached 4 Evaoutsensorisdetached 5 Thermalfuseerror Open E151 E152 E128 E129 E198 1 CONDmidsensorisdetached 2 Refrige...

Page 108: ...e air conditioner when the LED is flickering the LED is also turned off If you re operate the air conditioner it operates normally at first then detect an error again When E108 error occurs change the address and reset the system Ex When address of the indoor unit 1 and 2 are set as 5 address of the indoor unit 1 will become 5 and indoor unit 2 will display E108 A002 LED lamp display with error de...

Page 109: ...nocommunicationbetweentheindoor outdoorunitsfor 2minutes 2 Communicationerrorreceivedfromtheoutdoorunit 3 3miniutetrackingerroronoutdoorunit 4 Communicationerroraftertrackingduetounmatchingnumberof installedunits 5 Errorduetorepeatedcommunicationaddress 6 Communicationaddressnotconfirmed Otheroutdoorunitcommunicationerrorthatisnotontheabovelist E101 E102 E202 E201 E108 E109 Selfdiagnosiserrordispl...

Page 110: ...mpressordownduetolowpressuresensorpreventioncontrol_1 14 Simultaneousopeningofcooling heatingMCUSOLvalve 1stdetection 15 Simultaneousopeningofcooling heatingMCUSOLvalve 2nddetection Otheroutdoorunitself diagnosiserrorthatisnotontheabovelist E241 E554 E450 E451 E416 E559 E425 E403 E301 E306 E428 E413 E410 E180 E181 Flowatings w 2nddetection E153 EEPROMerror E162 EEPROMoptionerror E163 Errorduetoinc...

Page 111: ...rduetoclosedEEV 2nddetection 3 Evainsensorisdetached 4 Evaoutsensorisdetached 5 Thermalfuseerror Open E151 E152 E128 E128 E198 1 CONDmidsensorisdetached 2 Refrigerantleakage 2nddetection 3 AbnomallyhightemperatureonCond 2nddetection 4 Lowpressures w 2nddetection 5 Abnomallyhightemperatureondischargedaironoutdoorunit 2nddetection 6 Indooroperationstopduetounconfirmederroronoutdoorunit 7 Errorduetor...

Page 112: ...202 E201 E108 Selfdiagnosiserrordisplay 1 ErrorduetoopenedEEV 2nddetection 2 ErrorduetoclosedEEV 2nddetection 3 Evainsensorisdetached 4 Evaoutsensorisdetached 5 Thermalfuseerror Open E151 E152 E128 E128 E198 1 CONDmidsensorisdetached 2 Refrigerantleakage 2nddetection 3 AbnomallyhightemperatureonCond 2nddetection 4 Lowpressures w 2nddetection 5 Abnomallyhightemperatureondischargedaironoutdoorunit 2...

Page 113: ...unit andothermethodsoferrordisplay Error Number ࣖ Outdoor unit address ࣖ Error Number repeat display E471 ࣖU200 ࣖE471 ࣖU200 E206 ࣖC001 ࣖE206 ࣖC002 Displayedalphabet Explanation When displaying Error 101 700 When displaying Error 701 800 When E206 occurs Displaysaddressofsubordinatewithintheset C001 HUB C002 FAN C003 INV1 C004 INV2 When MCU error occurs DisplaysaddressofMCU Ex C100 MCUaddress0 C101...

Page 114: ...tion E 153 Error on floating switch of indoor unit 2nd detection E 154 RPM feedback error of indoor unit E 161 Mixed operation mode error of indoor unit When outdoor unit is getting ready to operate in cooling or heating and some of the indoor unit is trying to operate in heating or cooling mode E 162 EEPROM error of MICOM Physical problem of parts circuit E 163 Indoor unit s remote controller opt...

Page 115: ...ary switch E 216 When indoor unit is not installed to a MCU port but the switch on the port is set to On E 217 hen indoor unit is connected to a MCU port but indoor unit is assigned to a MCU and the switch on the port is set to Off E 218 When there s at least one or more actual number of indoor unit connection compared to number of indoor units assigned to MCU E 219 Error on temperature sensor loc...

Page 116: ...or due to overcurrent of Fan2 E 385 Error due to input current of inverter 2 E 386 Over voltage low voltage error of Fan2 E 387 Hall IC connection error of Fan2 E 389 V limit error on Fan2 of compressor E 393 Output current sensor error of Fan2 E 396 DC voltage sensor error of Fan2 E 399 Heat sink temperature sensor error of Fan2 E 400 Error due to overheat caused by contact failure on IPM of Inve...

Page 117: ...ror due to input current of inverter 1 E 486 Error due to over voltage low voltage of Fan E 487 Hall IC error of Fan1 E 489 V limit error on Fan1 of compressor E 493 Output current sensor error of Fan1 E 496 DC voltage sensor error of Fan1 E 499 Heat sink temperature sensor error of Fan1 E 500 Error due to overheat caused by contact failure on IPM of Inverter PBA1 E 503 Error due to alert the user...

Page 118: ...of the product 1 Tracking is complete and after the initial installation if you do not have a history of commissioning is completed UP will be dis played 2 Execute the automatic commissioning by Tact Switch 3 UP display disappears after commissioning is complete normal operation is possible 4 Automatic commissioning is completed if there is a history nor mal operation execution immediately No Yes ...

Page 119: ...CBdefective HubPCBdefective Highpressureswitchoperation 1 Causeofproblem ReplaceFanPCB ChecktheconnectionstatusofEMIPCB ChecktheshortcircuitofEMIPCBFuse Refrigerantovercharge Highpressureswitchisdefective No No Yes Yes Yes HUBPCBCN70AC220Visconnected Isahighpressureswitchnormal ChecktheshortcircuitofHubPCB ReplaceHubPCB No Yes ConfirmablinkingofHubPCBLED Connectingthecommunicationwire CN96 No Yes ...

Page 120: ...e of problem Yes Yes Is indoor room temperature sensor connector dislocated At that time is the resistance value significantly deviated from the temp table After separating indoor room temperature sensor connector from PCB measure the resistance values between both terminals Re start after replacing PCB Re start after connecting the connector to the PCB As it is due to an indoor oom temperature se...

Page 121: ...1 How to check Is indoor EVAP IN sensor connector separated from the PCB At that time is the resistance value significantly deviated from the temp table After separating indoor EVAP IN sensor connector from the PCB measure the resistance values between both terminals Re start after connecting the connector to the PCB As it is due to an indoor EVAP IN sensor defect replace it Yes No No Ex Room temp...

Page 122: ... How to check Is indoor EVAP OUT sensor connector separated from the PCB At that time is the resistance value significantly deviated from the temp table After separating indoor EVAP OUT sensor connector from the PCB measure the resistance values between both terminals Re start after replacing PCB Re start after connecting the connector to the PCB As it is due to an indoor EVAP OUT sensor defect re...

Page 123: ...hpressure 25kg cm OK Averagelowpressure 8 5kg cm OK Tcond out Tair out 3 C OK Tair in Teva out 2 C NO Tcond out Tair out 2 C OK Compressorinoperation Indoor Unitoperation ThermoOn OK Errordetails BreakawayErrorofIndoorHeat ExchangerEVAOutsensor 2 How to check HydroUnit BeforeandaftertheCompressoroperation EVAOuttempera turedifferenceislessthan3 C Restartoperationafterconnecting theconnectortothePC...

Page 124: ...ressure 8 5kg cm OK Tcond out Tair out 3 C OK Tair in Teva out 2 C NO Tcond out Tair out 2 C OK Compressorinoperation Indoor Unitoperation ThermoOn OK Errordetails BreakawayErrorofIndoorHeat ExchangerEVAOutsensor 2 How to check HydroUnit BeforeandaftertheCompressoroperation EVAOuttempera turedifferenceislessthan3 C Restart operation after connecting the connector to the PCB After separating the In...

Page 125: ...or details Simultaneous indoor heat exchanger s EVA IN OUT sensor dislocation error 2 During Heating operation Average high pressure 25kg OK Average low pressure 8 2kg OK Teva out Tair out 3 C NO Tair in Teva out 2 C NO Tcond out Tair out 2 C OK Compressor in operation Indoor unit operation Thermo On OK Error details Simultaneous Indoor heat exchanger s EVA IN OUT sensor dislocation error 2 How to...

Page 126: ...wer than 0 C for more than 20 minutes without cessation 2 How to check 1stdetection P703 OutdoorUnitdisplayonly 2nddetection x x x x x x The address of the error occurred indoor unit How to turn off the Hydro Unit E151 Hydro Unit PCB k1 k2 switch At the same time push for more than 4 seconds After resolving the cause of the error restart operation Excessive reset operation can cause damage to the ...

Page 127: ...if there is any rust on the surface of the electronic expansion valve with naked eyes then check the resistance between each terminal to find any wire breaking or short circuit 4 Press the RESET KEY K3 of the outdoor unit then see if the same error occurs 4 In case of closure problem operate the indoor unit in which the error has occurred 4 In case of opening problem please do not operate the indo...

Page 128: ...there is any rust on the surface of the electronic expansion valve with naked eye then check the resistance between each terminal to find any wire breaking or short circuit 4 Press the RESET KEY K3 of the outdoor unit then see if the same error occurs 4 In case of closure problem operate the indoor unit in which the error has occurred 4 In case of opening problem please do not operate the indoor u...

Page 129: ...t then check if drain pump operates vibrates during operation Normal operation Indoor unit s power reset after replacement Reassembly Floating Sensor Connector and reset Outdoor Unit power Indoor unit power reset required Normal operation Diagnosed as a defective Floating sensor Indoor unit s power reset after replacement Replace Drain pump Replace Drain pump Replace Indoor Unit PCB Error occurs O...

Page 130: ...determine below Indoor unit display Criteria Cause of problem Outdoor unit display 1 How to diagnose 1 Occurs when RPM valve fails to feedback to MICOM at a PID control type fan motor 2 How to check 1 Check HALL IC connector that carries out feedback of RPM value 2 If a fan motor operation capacitor is a PCB separating type check the connection terminal 3 Check the operational status of the fan mo...

Page 131: ... product problem but is displayed when the operational mode input in an indoor unit is different from current operational status other indoor unit s operational mode Check the operational mode of outdoor unit or other indoor unit then re enter or stop the operational mode of the relevant unit If it is necessary to apply a different operational mode to an indoor unit from others please stop other i...

Page 132: ...problem t Communication failure between EEPROM and MICOM Outdoor unit display Yes Are there any problems such as short or dewetting between EEPROM PIN If you restart after reentering model options and power reset does the error occur again Replace PCB Yes No Normal operation No 1 How to check Check the location of EEPORM by referring to the schematic diagram Replace PCB ...

Page 133: ...h model then enter correct options 4 4 17 Error due to confused use of Fahrenheit and Celsius Indoor unit display Operation Timer Fan Filter Defrost t JTTFE JOQVU PG SFNPUF DPOUSPMMFS PQUJPOT Criteria Cause of problem t JTQMBZ OVNCFS UZQF PG JOEPPS VOJU o PDDVST BNQ UZQF o BMM MBNQT GMBTI t 0DDVST JO BO JOEPPS VOJU XJUI FMTJVT TFUUJOH Outdoor unit display Check relevant remote controller options f...

Page 134: ...check up methods 1 How to check Yes Are an indoor unit address cooling heating position of the MCU SOL VALVE connector correctly connected Check the indoor unit address cooling heating position and make the correct connection Yes No Yes Replace MCU SOL VALVE BODY Is a coil of MCU SOL VALVE Correctly connected Check the coil connection and fasten it again No When you restart it after replacing MCU ...

Page 135: ...on Cable Connection Indoor unit display t Apply power 220V to the terminal of the indoor unit communication block F1 F2 Criteria Cause of problem t Check for Power input 220V for the Terminal block F1 F2 Outdoor unit display Check for disconnected line after turning off the Main power wall mount type ...

Page 136: ...fect Criteria Cause of problem t Check if the output of SPI Feedback is 12V Outdoor unit display 1 How to check 예 Is the SPI connector of an indoor unit separated from PCB Connect the connector to PCB and reoperate Yes No Replace Main PCB Can you measure 12V from 1 4 power with SPI connector being connected Replace SPI No Yes 1 4 ...

Page 137: ...the relevant MCU ports Check if the indoor unit usage setup switch is turned on for the MCU port connected to the indoor unit Outdoor Unit Display No change of EVA IN or wrong EVAN IN change during pipe inspection No change of EVA OUT or wrong EVA OUT change during pipe inspection Indoor Unit Display Judgment Method t 3FGFS UP UIF KVEHNFOU NFUIPE CFMPX Special Cause t 5IF MJRVJE QJQF HBT QJQF PG U...

Page 138: ...ble whichconnectstheoutdoorunittotheindoorunit Ifthereisnopeculiarity thenconnecttheindoorunitsonebyone tofindtheindoorunitthatisinterferingwiththecommunicationfor inspectionandchangetheindoorunitPCB Isthevoltagebetween the2cablesasquarewavewith DC 0 7Vormore Arethenumberof actualinstalledindoorunitsandthesetvalueforthe installationquantitysetup switchthesame Correctlysettheindoorunitinstallationq...

Page 139: ...connects theoutdoorunittotheindoornit andmeasure the2outdoorunitcableswithascope Connectthecommunicationcableagainto connecttheoutdoorunittotheindoorunit RemoveallthecommunicationconnectorsonthePCBof theindoorunit andconnectthemonebyonetofind theindoorunitwhichinterfereswiththecommunication tocheckandchangetheindoorunitPCB Aftertwominutes findtheindoorunitwhichdisplays thecommunicationerrorandchec...

Page 140: ...display JudgmentMethod Causeofproblem Outdoorunitdisplay Reseterror Key3 Checktheoutdoorunitwitherror U200 U201 U202 U203 Isthepowersupplynormal 15V 5V Checkwiringofoutdoorunit communicationcable CheckK13andK14setup optionsforoutdoorunit ReplacePCB Checkthepower Changewiringorconnect Changesettings Yes Yes Yes No No No 1 Causeofproblem EssentialRequirementsbeforeChangingPCBinCaseofCommunicationErr...

Page 141: ...e MCUs one by one to find the MCU which interferes with the communication to check and change the MCU PCB Is the voltage between the 2 cables a square wave with DC 0 7V or more Are the quantity of the actually installed MCUs and the set value of the installation quantity setup switch the same Correctly set the installation quantity setup switch of the outdoor unit MCU and press the reset key K3 of...

Page 142: ...wer No Yes DidtheCommunicationconnector breakawayfromthePCB RestartoperationaftercheckingtheInverter PCB2CN31andPCB2CN32Communication wire Connector 3 4PinShort ServiceafterturnofftheMainPower No Yes Yes IsInverterPCB1CN32andInverterPCB CN31connectoraccuratelyconnected 1 ChecktheInverterPCB1CN32 CN91andFan PCBCN12Communicationwire Connector 2 RestartoperationafterconnectingtheHubPCB CN97andFanPCBC...

Page 143: ...spondtotheinvokedMainPCB Causeofproblem C BoxinternalInverterPCB FanPCB HubPCBdefective 1 Causeofproblem ReplaceHubPCB ReplaceFanPCB FanPCBTXpart Breakage ReplaceConnectionwire Checktheconnectionstatus CN12connector FanPCBCN13connection No No No Yes Yes Yes Connectionwireof HubPCB MainPCBdidconfirmation Verifythebrokenwire LightingofFanPCBLD41didconfirmation IsFanPCBCN13connectoraccuratelyconnecte...

Page 144: ...t to the MCU and measure the 2 cables of the outdoor unit with a scope Connect the communication cable which connects the outdoor unit to the MCU again remove all communication connectors from the MCU PCB Connect each unit one by one and find the MCU which interferes with communication to check and change the MCU PCB After two minutes find the MCU which displays the communication error and check i...

Page 145: ...g them consecutively Outdoor unit display 1 How to check Find an MCU that is composed as the following picture to carry out assembly of branch part again After completing the re setting press K3 button on the button to reset or turn it off to restart Indoor unit display MCU BOX 0 MCU PCB OFF MCU address setup ON Setting error Indoor unit Indoor unit address Branch part use setup 4 2 1 2 5 6 0 Bran...

Page 146: ...mes in MCU Outdoor unit display 1 How to check Find an MCU that is composed as the following picture to carry out assembly of branch part again After completing the re setting press K3 button on the button to reset or turn it off to restart Indoor unit display MCU BOX 0 MCU PCB OFF MCU address setup ON Setting error Indoor unit Indoor unit address Branch part use setup 4 2 2 2 5 6 0 Branch A 4 B 2...

Page 147: ... 6 SFHJTUFSFE JOEPPS VOJUT Outdoor unit display 1 How to check Find an MCU that is composed as the following picture to carry out assembly of branch part again After completing the re setting press K3 button on the button to reset or turn it off to restart Indoor unit display MCU BOX 0 MCU PCB OFF MCU address setup ON Indoor unit Indoor unit address Branch part use setup 4 4 2 1 5 6 0 Branch A 4 B...

Page 148: ...hen turn it on again Indoor Unit Display MCU BOX 0 Outdoor Unit PCB MCU PCB OFF MCU Address Setup MCU Address Setup Setup for Indoor Quantity Used MCU Address Setup Setup for Indoor Quantity Used ON Indoor Unit Indoor Unit Indoor Unit Address Setup for Using Branch Sphere 4 4 2 1 5 5 1 6 0 Branch Sphere A 4 B C D E 5 F 6 MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch Sphere A B D E 0 7 F 1 MCU BOX ...

Page 149: ... turn off to restart MCU BOX 0 MCU PCB OFF MCU address setup ON Indoor unit address Branch part use setup 4 2 2 0 5 6 0 Branch A B C D E F MCU BOX 1 MCU PCB OFF MCU address setup ON Indoor unit address Branch part use setup 4 0 1 2 5 7 1 Branch A B C D E F t 3FQFBUFE JOEPPS VOJU address Criteria Cause of problem t 0DDVST XIFO BO JOEPPS VOJU BEESFTT TFUVQ TXJUDI JO 6 IBT CFFO PWFSMBQQFE Outdoor uni...

Page 150: ...Not Used After completing resetting press the outdoor unit s K3 button to reset or turn off to restart t 1JQF JT OPU JOTUBMMFE UP UIF JOEPPS VOJU XJUI BTTJHOFE address on MCU Criteria Cause of problem t 0DDVST XIFO 6 1 1 JT TFU BT CFJOH VTFE ZFU OPU DPOOFDUFE UP BO JOEPPS VOJU Outdoor unit display Indoor unit display MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B C D E 0 F Operation Timer Fan F...

Page 151: ... JOEPPS VOJU JT SFHJTUFSFE Outdoor unit display 1 How to check Check the actual use of the branch part If it is used turn on the Dip switch for branch part setup After completing resetting press the outdoor unit s K3 button to reset or turn off to restart Indoor unit display MCU BOX 1 MCU PCB OFF MCU address setup ON Indoor unit Indoor unit address Branch part use setup 4 4 2 1 5 6 0 Branch A 4 B ...

Page 152: ...door unit display 1 How to check Check the number of indoor units connected to MCU then readjust the switch for the number of units After completing resetting press the outdoor unit s K3 button to reset or turn off to restart Indoor unit display MCU BOX 0 Outdoor unit PCB MCU PCB OFF MCU address setup Indoornumbersetup MCUnumbersetup ON Indoor unit address Branch part use setup 1 2 2 1 8 6 1 6 0 B...

Page 153: ...nsorconnectorbreakaway fromthePCB Didtheresistance valuesignificantlystrayfromthefollowing temperaturetable Afterseparatingtheoutdoortemperaturesensor connectorfromthePCB measuretheresistancevalue betweentheterminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortothePCB Replacethissinceitisthedefectiveof theoutdoortemperaturesensoritself Yes No No Yes Temperature ...

Page 154: ...temperature table to the next After separating the outdoor temperature sensor connector from the PCB measure the resis tance value between both terminals Restart after replacing the PCB Restart after connecting the connector to the PCB As it is due to a problem with the outdoor temperature sensor replace it Yes No No Yes Yes Temperature C Resistance KΩ 70 60 50 40 30 21 10 0 10 2 2 3 0 4 2 5 8 8 3...

Page 155: ...dOut sensorconnectorbreakawayfrom thePCB Didtheresistance valuesignificantlystrayfromthefollowing temperaturetable AfterseparatingtheoutdoorCondOut sensorconnectorfromthePCB measuretheresistance valuebetweenthetwoterminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortothePCB Replacethispartasitisthedefectiveofthe outdoorCondOutsensoritself Yes No No Temperature C...

Page 156: ...ingoperation Eachoftheconditionsbelowneedstobesatisfiedformorethan20minutes Highpressureaverage 25kg cm OK Lowpressureaverage 8 5kg cm OK Teva out Tair in 3 C OK Teva in Tair in 2 C OK Tcond out Tair out 0 C NO Everycompressorisinoperation indoorunitoperationandThermoOn OK ErrorContent OutdoorCondOutsensorbreakawayerror No DefectiveSensor ReplaceSensor No BlockedSensorPath ChangeheatexchangerAss y...

Page 157: ...hanging PCB Restart operation after connecting the connector to PCB Change this part as it is the fault of the discharge temperature sensor itself Yes No No Temperature C 130 120 100 80 60 25 20 10 0 Resistance KΩ 8 9 11 2 18 5 32 0 59 0 200 0 242 0 362 0 553 0 4 4 41 Digital Compressor Discharge Temperature Sensor Error OPEN SHORT Operation Reservation Blast Filter Defrost t JHJUBM DPNQSFTTPS EJT...

Page 158: ... compressor discharge temperature sensor break away from the PCB Did the resistance value significantly stray from the following temperature table Separate the connector for the outdoor constant rate compressor discharge temperature sensor from the PCB and measure the resistance value between the 2 terminals Restart operation after changing PCB Restart operation after connecting the connector to P...

Page 159: ...schargeorTopTemperaturesensorconnector breakawayfromthePCB Didtheresistance valuesignificantlystrayfromthefollowing temperaturetable AfterseparatingtheCompressorDischargeor TopTemperaturesensorconnectorfromthePCB measuretheresistancevaluebetween thetwoterminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe CompressorDisc...

Page 160: ...ature right before the start of compressor Tsump ini current compressor s SUMP temp Tsump real When the difference between Tsump ini and Tsump real is an absolute value so that it cannot be more than 2 C In other words the condition of Tsump real Tsump ini 2 C has been satisfied for 60 minutes since a compressor started it is diag nosed as an error After 60 minutes of compressor operation there wi...

Page 161: ...ghest issetatTsuc ini andthesuctiontemperatureofthecurrentCompissetatTsuc real itisconsideredtohaveanerroriftheconditionof Tsuc real Tsuc ini 2 Cismaintainedfor30minutes Suction temperature sensor breakaway defective Outdoorunitdisplay 1 Causeofproblem Complete Is Suction sensor and sensor Holder accurately attached Is Suction sensor resistance value reasonable Refer to E231 DefectiveSensor Replac...

Page 162: ... SUMP sensor break away from the PCB Did the resistance value significantly stray from the following temperature table Separate the connector of the outdoor SUMP sensor from the PCB and measure the resistance value between the two terminals Restart operation after changing PCB Restart operation after connecting the connector to PCB Change this part as it is the fault of the outdoor SUMP sensor its...

Page 163: ...erissuppliedor2minutesafterRESET andonlywhensetisstopped 2 AnOpen Shorterrorwilloccuriftheinputvoltagestandardrangeof0 5V 4 95Visexceeded 2 InspectionMethod ReplaceHighPressuresensor Pleasere inspectafterconnecting theconnectortothePCB No Yes DidtheHighPressure sensorconnectorgetdisconnected fromthePCB Refillrefrigerantaftervacuum No Yes Isthererefrigerantinsidetheset Pleasecheckbyconnectingthemen...

Page 164: ...werissuppliedor2minutesafterRESET andonlywhensetisstopped 2 AnOpen Shorterrorwilloccuriftheinputvoltagestandardrangeof0 5V 4 95Visexceeded 2 InspectionMethod Replace LowPressuresensor Pleasere inspectafterconnecting theconnectortothePCB No Yes DidtheLowPressuresensorconnector getdisconnectedfromthePCB Refillrefrigerantaftervacuum No Yes Isthererefrigerantinsidetheset Pleasecheckbyconnectingthemenu...

Page 165: ...eOutdoorSuctionsensorbreakaway fromthePCB Didtheresistance valuesignificantlystrayfromthefollowing temperaturetable SeparatetheconnectoroftheOutdoorSuctionsensor fromthePCBandmeasuretheresistancevalue betweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorSuctionsensoritself No No Yes Yes Temperature C...

Page 166: ...Temperaturesensorbreakaway fromthePCB Didtheresistance valuesignificantlystrayfromthefollowing temperaturetable SeparatetheconnectoroftheLiquidPipeTemperature sensorfromthePCBandmeasuretheresistancevalue betweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveof theLiquidPipeTemperaturesensoritself No No Yes Yes Tem...

Page 167: ...eEVIIn Temperaturesensorbreakawayfrom thePCB Didtheresistancevalue significantlystrayfromthefollowing temperaturetable SeparatetheconnectoroftheOutdoorEVIIn TemperaturesensorfromthePCBandmeasure theresistancevaluebetweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorEVIInTemperaturesensoritself No No ...

Page 168: ...uresensorbreakaway fromthePCB Didtheresistancevalue significantlystrayfromthefollowing temperaturetable SeparatetheconnectoroftheOutdoorEVIOut TemperaturesensorfromthePCBandmeasurethe resistancevaluebetweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorEVIOutTemperaturesensoritself No No Yes Yes Tempe...

Page 169: ...Suction 2 sensor break away from the PCB Did the resistance value significantly stray from the following temperature table Separate the connector of the Suction 2 sensor from the PCB and measure the resistance value between the two terminals Restart operation after changing PCB Restart operation after connecting the connector to PCB Change this part as it is the fault of the outdoor Suction 2 sens...

Page 170: ...s cut Service valve locked Excessive refrigerant JudgmentMethod Valueofthehighpressuresensorisdetectedat40kg cm ormore Outdoorunitdisplay IstheS net estimatedvalueandtheManifold Gaugevalueinrange AretheIndoorUnit andOutdoorUnitEEVnormally operating Arethereanyblockageinside thepipe filteretc Checktherefrigerantamount AretheOutdoorFan operatingnormallyforthecoolingandtheIndoor Fanoperatingnormallyf...

Page 171: ...ssforCooling JudgmentMethod Inspectionwhenthevalueoflowpressuresensoris0 8kg cm orlessforairconditioningand0 6kg cm forheating Outdoorunitdisplay IstheS net estimatedvalueandtheManifold Gaugevalueinrange AretheIndoorUnitandOutdoor UnitEEVnormallyoperating Arethereanyblockageinside thepipe filteretc Checktherefrigerantamount Isthereanyleakagein theLiquidPipeValveorthedischargecheck valveofthenot go...

Page 172: ...the compressor Refer to the solution method for the liquid compression prevention error E477 Re connect and check the connector Yes Yes Yes No No Re attach and check sensor Check by referring to the other temperature sensor problem check up methods Outdoor Unit Display Indoor Unit Display Operation Reservation Blast Filter Defrost Judgment Method t BJOUBJO TVNQ UFNQFSBUVSF PG PS NPSF GPS GJWF NJOV...

Page 173: ...ot go endoutdoorunit JudgmentMethod Whenvalueofcompressordischargetemperaturesensorischeckedat120 Cormore Outdoorunitdisplay Istheresistance valuenormalfortheCompressor DischargeTemperaturesensor RefertoE251 Commissioning Areallservicevalvesopen AretheIndoorUnit andOutdoorUnitEEVnormally operating Arethere anyblockageinsidethepipe filteretc Checktherefrigerantamount ReplaceCompressorDischarge Temp...

Page 174: ...beproperlyconnected Causeofproblem Check the input wiring EMI Fuse short ReplaceInverterPCB PowerOff Yes Yes No Yes DidtheMain TerminalBlockandPowerR S T Nis connectedproperly PowerBOXTerminal Checkthephase to phase connection380VoftheR S Tandthenrestart N phasemustbeproperlyconnected No No No Yes Connectionandthenrestartit Lowvoltageerrorduringthisinitialcharge ReplaceFuse iftherectifierdiodeofth...

Page 175: ...erefrigerant Yes Yes No IstheS netestimatedvalueandthe ManifoldGaugevalueinrange ConnectS netandManifoldGauge essentialrequirement No No No No Outdoorunitdisplay Indoorunitdisplay Operation ስ Reservation ስ Blast ስ Filter Defrost JudgmentMethod Whencompressionratio highpressure 1 lowpressure 1 lessthan1 5andlastsfor10minutesormore Differentialpressure highpressure lowpressure lessthan0 4MPa gandlas...

Page 176: ...VIEEVconnectoraccuratelyconnectedtoPCB Yes No Reassemblecoil IsEEVcoilaccuratelyinstalled Yes Breakdown ReplaceIntercooler ChecktheIntercoolerleakage Normal ChecktheIndoorUnitEEVleakage Breakdown ReplaceIndoorUnitEEV Normal Reinstallpipe ChecktheconnectionforIndoorUnitPipe Connectliquidpipe gaspipedirectly No ReplaceEVIEEV ChecktheEVIEEVleakage Yes ఐIndoorEEVleakagecanbeeasilycheckedduringtheopera...

Page 177: ...occur if the input voltage standard ranges of 0 5V 4 95V of both the high and low pressure sensors are exceeded 3 Will occur if the measured value of both high and low pressure sensors is 1kgf cm G 1 Inspection method Did the high low pressure connector get disconnected from the PCB Out of the PCB high pressure sensor terminals is there voltage between pins 3 and 4 5V Replace high low pressure sen...

Page 178: ...prohibits the operation in outdoor temperature over 15 C Outdoor unit display 1 How to check The above error code is not caused by a product s problem but a function to protect the product by limiting the available tempera ture range so please refer to the usable temperature range in the product manual If the error code is displayed despite a condition that does not belong to any of the above diag...

Page 179: ...hManifoldgauge Reconnectandcheckconnector No No Yes Yes Supplementorrechargetherefrigerant Outdoorunitdisplay Indoorunitdisplay Operation ስ Reservation ስ Blast ስ Filter Defrost JudgmentMethod OperationshouldbeforbiddenifHighPressuresensorvalueoftheMainUnitbeforethepumpdownisstartedat2 2kg cm g orbelowforair conditioningand1 0kg cm Gorlessforheatingforthreeconsecutiveseconds Restartingoperationisno...

Page 180: ...e then display E445 Outdoor Unit Display Indoor Unit Display Judgment Method t 3FGFS UP UIF KVEHNFOU NFUIPE CFMPX Special Cause t POOFDUPS 1 JT OPU DPOOFDUFE 4VNQ TFOTPS DPNQSFTTPS TFQBSBUFE 0XO QSPCMFN PG No Connect CCH connector to PCB Is the CCH connector connected to PCB Yes No Attach the sump sensor to the lower part of the compressor Is the sump sensor attached to the lower part of the compr...

Page 181: ...rS W Causeofproblem Compressorconnectionerror DefectiveCompressor DefectivePCB PowerOffandthenRestart ReplaceFanPCB Yes Istheresistance valuebetweendifferentphasesof anMotor U V V W W U lessthan10Ω ReplaceFanMotor No Yes Istheresistancebetweenthebodyof FanMotorandchassisMΩ ReplaceFanMotor No Yes DoestheCompressorconnection wireproperlyconnect Checktheconnectionwire No 1 Causeofproblem ...

Page 182: ... PowerOnandthenCommissioning PowerOff ReplaceFanPCB Yes Didtheerroroccurs EndofService No Yes Didyoucheck theforeignobjectsontheFan rotarywing Removetheforeignobjectsandrestart No Yes Fandorotatebyhand ReplaceFanMotor No No Ifyourotatethefanbyhand thenoiseoccurs ReplaceFanMotor Yes Yes Connectionwireof FanMotordidconfirmation Checktheconnectionstatusof theFan1andFan2 Checktheconnectionstatus andth...

Page 183: ...or Indoorunitdisplay Operation ስ Reservation ስ Blast ስ Filter Defrost Momentary stop of compressor due to momentary blackout JudgmentMethod Causeofproblem Momentarystopofcompressorduetomomentaryblackout Outdoorunitdisplay 1 Precautions ReplaceHubPCBorMainHubConnectionwire ...

Page 184: ...eofprob lem Defectiveconnectionwire DefectiveFanMotor DefectivePCB Defectiveinstallationconditions PowerOff PowerRestart ReplaceFanMotor Yes Didtheerroroccurs EndofService No Yes Connectionwireof FanMotordidconfirmation Verifythatthewirefolded ortheconnectionis detached Checktheconnectingwireandrestartit No Yes Isthereanythingstrangein appearanceFanMotor ReplaceFanPCB No 1 Causeofproblem ...

Page 185: ... NPSF compared to the instructed value Indoor Unit Display Judgment Method Special Cause Outdoor Unit Display 1 Inspection Method No Yes No Yes No Yes No Yes Connect connector as normal Is connection for feedback connector normal Re connect connector Is the connection for the fan connector normal Re connect connector Is connection for fan power condenser normal Complete Is the motor operating cond...

Page 186: ...em HeatsinkandIPMassemblydefective Defectiveheatsinkcooling PowerOff Yes Didchecktheforeignobjectsbetween theheatsinkpin Removeforeignobjects Coldheatsinkassemblydefectoccurs No Yes Istheboltoftheheatsinkfullytightened TightenBolt No Yes Didchecktheforeignobjectsbetween theheatsinkandIPM No 1 Causeofproblem Complete Removeforeignobjectsand applytheheatsinkgrease Andthenreassembly ...

Page 187: ...own 3 Need to check if there is a problem with fan load status 4 4 72 Counter Rotation Error of an Outdoor Fan Motor t VF UP XJOE UIBU DBO SVO UIF GBO DPVOUFS XJTF t 8IFO UIF SPUBUJPOBM EJSFDUJPO PG BO PVUEPPS GBO NPUPS JT DPVOUFS DMPDLXJTF CFGPSF PQFSBUJOH Indoor unit display Criteria Cause of problem Outdoor unit display 1 How to diagnose 1 Check if the start instruction of outdoor unit s fan is...

Page 188: ...Judgment Method Special Cause Outdoor Unit Display 1 Inspection Method Is the CT sensor connector resistance normal Are all the CT values 0 when the compressor is stopped Is the CT value measured at 20A or more during the operation Is the measured value from the separate ammeter the same as the CT sensor value Test Operation Inspection Complete Change CT sensor Change CT sensor Change CT sensor Br...

Page 189: ...PowerOffandthenRestart Continue Yes IsHotGasBypassValvestartup theinitialpowerisapplied HubReplacePCB No Yes HotGasBypassValveinitial startupdoesitwork ReplaceHotGasBypassValve No Yes Istheresistance valuebetweendifferentphasesof compressor U V V W W U lessthan2Ω ReplaceCompressor No Yes Istheresistance betweenthebodyofCompressorand chassisMΩ ReplaceCompressor No Yes DoestheCompressor connectionwi...

Page 190: ...orunitinstalledproperly Removetheobstaclesandcheck thestatusoftheinstallation No Yes Istemperature sensorlocationandthemeasurement valuenormally PowerOff andthenreplacement orcorrectionofthesensorlocation No Yes Istheresistancevalue betweenphaseofCompressorwire U V V W W U lessthan2Ω ReplaceCompressor No Yes Istheresistancebetween thebodyofCompressorand chassisMΩ ReplaceCompressor No Yes DoestheCo...

Page 191: ...short DC LinkOvervoltage Lowvoltageoccurs Causeofproblem Checktheinputwiring EMIFuseshort PowerOff Yes Yes 380Visthevoltage betweenterminalblocks R S Twire PowerR S T Nwirevoltagecheckandrestartit ReplaceInverterPCBandthenrestartit Checkthe3 phasesensingcircuitpart ReplaceFuse iftherectifierdiodeof theinverterPCBisnormal No No DidtheEMIPCBFuseisshort 1 Causeofproblem ...

Page 192: ...gerror MomentaryOvervoltage Lowvoltageoccurs PCBvoltagesensingcircuitdefective PowerOff Yes IsPowerconnectionaccuratelyconnected PowerCablere connection No Yes IsReactoraccuratelyconnected ChecktheReactorconnection No No DidtheFuseisshort ReplaceFuse Yes Yes IsEMIPCBandInverterPCB accuratelyconnected PowerOffandthenre connection No Yes IsInverterPCBand FanPCBDC Linkvoltageconnectionwire accurately...

Page 193: ...k and change the discharge valve leakage Re check the sensor connection attachment No Normal Normals Yes Breakdown Breakdown Resolve the relevant EEV problem Resolve the relevant valve problem Outdoor Unit Display Indoor Unit Display Judgment Method t 46 1 UFNQFSBUVSF EFDSFBTF 4 NJO Special Cause t 7 7 BOE TVQFS DPPMFS MJRVJE CZQBTT WBMWF MFBLBHF SFGSJHFSBOU PWFSDIBSHF JOEPPS VOJU 7 MFBLBHF direct...

Page 194: ...B Connectorerror DefectiveMotor 1 Causeofproblem FANReplacePCB Reinstallafterremovingobstacle No Yes Yes Istheoutdoorunitinstalledproperly OutdoorFanMotor No Yes Istheresistancevalue betweendifferentphasesofFanMotor UࣖV VࣖW WࣖU lessthan10Ω OutdoorFanMotor Checktheconnectionwire CheckthestatusoftheconnectionUVW No No Yes Yes Istheresistancebetweenthebodyof FanMotorandchassisMΩ DoestheFanMotorconnec...

Page 195: ...Currentsensor OUTDOORFANPCB FAN1OutputCurrentsensor OUTDOORFANPCB FAN2OutputCurrentsensor JudgmentMethod SensorOutputdetection Judgedasanerrorifthedetectedvalueismorethan2 8Vor0 2Vlessthan Causeofproblem Inputvoltagedefective PCBvoltagesensingcircuitdefective PowerOff ReplaceInverterPCB ReplaceFanPCB Yes No IsPowerconnectionaccuratelyconnected E485orE385 E468orE368 E493orE393 PowerCablere connecti...

Page 196: ...oorunitdisplay JudgmentMethod N phasewiringerrorandEMIFuseshort DC LinkOvervoltage Lowvoltageoccurs Causeofproblem Checktheinputwiring EMIFuseshort PowerOff Yes IsInverterPCBCN15 andFanPCBCN11DC Linkvoltageconnection wireaccuratelyconnected Connectionandthenrestartit No ReplaceFanPCB 1 Causeofproblem ...

Page 197: ...serror HallICwiredisconnection Defectivecircuitpartsanddefectivemanufacturing FanMotordefective 1 Causeofproblem ReplaceFanPCB Restart Whentheerrorisrepeated replacetheFanMotor EndofService No Yes Yes Didtheerroroccurs Checktheconnectingwireandrestartit No Yes Connectionwireof HALLICdidconfirmation Verifythatthewirefolded ortheconnectionis detached Checktheconnectingwireandrestartit No Yes HALLICo...

Page 198: ...3000 1 80 50 2000 1 47 60 1600 1 29 70 1200 1 07 80 750 0 76 90 650 0 68 Complete Yes Yes Yes Applytheheatsinkgreaseandthenreassembly No Didproperlyapplytheheatsinkgrease BetweentheheatsinkandtheIPM Yes TightenBolt Screw Removeforeignobjectsandapplytheheatsink grease Andthenreassembly No No Istheboltoftheheatsinkfullytightened Didchecktheforeignobjectsbetweentheheatsink andIPM ReplaceInverterPCB E...

Page 199: ... PriortoJuly2011 ifthesoftwareversionoftheindoorunit Causeofproblem Checkthesoftwareversionoftheindoorunit Checkwhetherthesupportoftheindoorunit PowerOn Yes Yes Doesconnected indoorunitbecomecompatiblewith DVMINV Replacetheindoorunitthatis compatiblewiththeDVMINV Softwareupgrade ReplaceindoorunitPCB No No Issoftwareversionof indoorunitsinceJuly 2011 1 Causeofproblem ...

Page 200: ...is any rust on the surface of the coil of an electronic expansion valve with the naked eye and then check the resistance between each terminal to find any wire breaking or short circuit 4 Press the RESET KEY K3 of the outdoor unit then see if the same error occurs 4 In case of closure problem operate the indoor unit in which the error has occurred 4 In case of opening problem please do not operate...

Page 201: ...ectlypluggedintothemainbody 3 Checkifthereisanyrustonthesurfaceofthecoilofanelectronicexpansionvalvewiththenakedeye andthenchecktheresistancebetween eachterminaltofindanywirebreakingorshortcircuit 4 PresstheRESETKEY K3 oftheoutdoorunitthenseeifthesameerroroccurs Incaseofclosureproblem operatetheindoorunitinwhichtheerrorhasoccurred Incaseofopeningproblem pleasedonotoperatetheindoorunitinwhichtheerr...

Page 202: ...nspection Method Is the electronic expansion valve wire connected to the PCB After measuring the coil terminal resistance is there a disconnection or short circuit inside the coil Is the electronic expansion valve coil connected to the main body properly After Resetting the outdoor unit does an error occur even after running it again with the same combination Connect to PCB and run again No No Yes...

Page 203: ...ss of where error occurred 1 Inspection Method Is the electronic expansion valve wire connected to the PCB After measuring the coil terminal resistance is there a disconnection or short circuit inside the coil Is the electronic expansion valve coil connected to the main body properly After Resetting the outdoor unit does an error occur even after running it again with the same combination Connect ...

Page 204: ...Samsung Electronics 5 1 5 PCB Diagram and Parts List 5 1 Indoor Unit 5 1 1 Slim 1 way cassette type 22 1 2 3 4 5 16 11 17 6 18 7 19 8 20 9 12 14 13 23 15 21 10 ...

Page 205: ...SI 7 EEPROM_CLK 1 DC12V 2 VENT SIGNAL OUTPUT GND 1 DC12V 2 HUMAN SENSOR COMM TXD 3 HUMAN SENSOR COMM RXD 4 GND 1 GND 2 GND 3 SPI POWER OUTPUT DC12V 1 DC5V 2 GND 3 MOTOR FEEDBACK 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 6 DC12V 7 10 LOUVER SIGNAL OUTPUT 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 1 4 EEV SIGNAL OUTPUT 5 DC12V 6 DC12V 1 POWER L 2 POWER N 1 COM1 F1 2 COM1 F2 3 V1 DC12V ...

Page 206: ...PCB Diagram and Parts List Samsung Electronics 5 3 5 1 2 4way cassette mini 4way casette type 22 1 2 3 4 16 5 11 6 7 8 20 10 13 15 23 17 18 19 9 12 21 14 ...

Page 207: ... 6 EEPROM_SI 7 EEPROM_CLK 1 DC12V 2 VENT SIGNAL OUTPUT GND 1 DC12V 2 HUMAN SENSOR COMM TXD 3 HUMAN SENSOR COMM RXD 4 GND 1 ROOM THERMISTOR 2 GND 1 4 EEV SIGNAL OUTPUT 5 DC12V 6 DC12V 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 6 DC12V 7 10 LOUVER SIGNAL OUTPUT 1 DC12V 2 5 LOUVER SIGNAL OUTPUT 1 GND 2 GND 3 SPI POWER OUTPUT DC12V 1 POWER L 2 POWER N 1 COM1 F1 2 COM1 F2 3 V1 DC...

Page 208: ...PCB Diagram and Parts List Samsung Electronics 5 5 5 1 3 Duct type SLIM 1 2 Ŷ MAIN PCB 1 4 6 8 7 9 11 12 13 14 15 17 19 18 16 10 2 3 5 ...

Page 209: ...Z_2 1 12V 2 GND 3 VCC 4 MOTOR SIGNAL PWM1 OUT 5 R903 CONTROL SIGNAL 6 INRUSH OUT 1 GND 2 NO USED 3 VCC 4 EEPROM_SELECT 5EEPROM_SO 6 EEPROM_SI 7 EEPROM CLK 1 4 CONTROL SIGNAL 5 6 12V 1 12V 2 VENT OUT 1 GND 2 GND 3 CONTROL SIGNAL 4 NOT USED 1 12V 2 COM2_PCTRL_MICOM 3 COM2_VCHECK_A 4 COM2_VCHECK_B 5 COM2_MICOM_AD 6 VCC 7 COM2_ENABLE 8 COM2_C 9 COM2_D 10 COM2_Tx 11 COM2_Rx 12 GND 1 2 COM1 3 12V 4 GND ...

Page 210: ...s List Samsung Electronics 5 7 Duct type SLIM 1 2 cont Ŷ Sub PCB 1 1 12V 2 COM2_PCTRL_MICOM 3 COM2_VCHECK_A 4 COM2_VCHECK_B 5 COM2_MICOM_AD 6 VCC 7 NO UESD 8 COM2_C 9 COM2_D 10 COM2_TXD 11 COM2_RXD 12 GND CN313 2WIRES COMM ...

Page 211: ...PCB Diagram and Parts List 5 8 Samsung Electronics 5 1 4 Duct type Slim Duct 3 MAIN PCB 8 5 3 2 1 6 7 4 10 11 12 13 14 15 17 16 18 9 ...

Page 212: ...1 GND 2 NO USED 3 VCC 4 EEPROM_SELECT 5EEPROM_SO 6 EEPROM_SI 7 EEPROM CLK 1 4 CONTROL SIGNAL 5 6 12V 1 GND 2 GND 3 CONTROL SIGNAL 4 NOT USED 1 12V 2 COM2_PCTRL_MICOM 3 COM2_VCHECK_A 4 COM2_VCHECK_B 5 COM2_MICOM_AD 6 VCC 7 COM2_ENABLE 8 COM2_C 9 COM2_D 10 COM2_Tx 11 COM2_Rx 12 GND 1 12V 2 VENT_OUT 1 2 COM1 3 12V 4 GND 5 6 COM2 1 DC310V 2 NOT USED 3 AGND 4 DC15V 5 PC04 OUTPUT 6 RPM OUTPUT CN103 DRAI...

Page 213: ...List 5 10 Samsung Electronics Duct type Slim Duct 3 cont Ŷ Sub PCB 1 1 12V 2 COM2_PCTRL_MICOM 3 COM2_VCHECK_A 4 COM2_VCHECK_B 5 COM2_MICOM_AD 6 VCC 7 NO UESD 8 COM2_C 9 COM2_D 10 COM2_TXD 11 COM2_RXD 12 GND CN313 2WIRES COMM ...

Page 214: ...PCB Diagram and Parts List Samsung Electronics 5 11 5 1 5 Duct type MSP 4 1 1 2 3 5 6 7 1 11 12 13 14 15 16 18 17 8 9 10 ...

Page 215: ...8 庲微珮 柦笾 犢崫 9 AUTO SW 10 REMOCON INT 11 GND 12 VCC 13 BZ2 1 12V 2 GND 3 VCC 4 MOTOR SIGNAL PWM 5 MOTOR FEEDBACK 6 INRUSH OUT 12 VCC 1 4 洊壟懆 洢檺 5 6 12V 1 2 GND 3 SPI 洢檺 1 2 柪喺歾匶 皻柦 3 12V 4 GND 5 氦昦庲微珮 皻柦 1 L 2 N CN904 SSR MOTOR CN702 HOT COIL CN140 FUSE CHECK CN103 DRAIN PUMP CN903 SSR AC 洢檺 CN413 欮壊 時昢 CN412 ROOM 欮壊時昢 CN81 EXTERNAL CONTROL OUT CN902 SSR DC 犢崫 CN83 EXTERNAL CONTROL CN301 MICOM DOWN...

Page 216: ...PCB Diagram and Parts List Samsung Electronics 5 13 5 1 6 Duct type Super 1 2 3 5 4 6 9 10 11 12 13 14 15 16 7 8 ...

Page 217: ...OUT 3 LED_1_OUT 4 LED_2_OUT 5 LED_3_OUT 6 LED_4_OUT 7 BZ_1 8 REMOCON_SIGN_OUT 9 AUTO_SW 10 REMOCON_INT 11 GND 12 5V 13 BZ_2 1 EEV _B_OUT 2 EEV _A_OUT 3 EEV_B_OUT 4 EEV_A_OUT 5 12V 6 12V 1 12V 2 VENT_OUT 1 GND 2 GND 3 SPI_CTRL_OUT_1 4 1 COM1_A 2 COM1_B 3 12V 4 GND 5 COM2_C 6 COM2_D CN100 POWER CN703 FAN STEP CN702 HOT COIL CN140 FUSE CHECKER CN81 ERROR COMP CHECK CN413 EVA IN EVA OUT DISCHARGE TEMP...

Page 218: ...PCB Diagram and Parts List Samsung Electronics 5 15 5 1 7 Celing type 1 2 3 4 5 6 7 19 18 9 10 11 12 17 15 14 13 8 ...

Page 219: ... USED 1 DC 12V 2 DC 12V 3 6 LVR SIGNAL 1 4 EEV SIGNAL 5 DC 12V 6 DC 12V 1 DC 12V 2 VENT_OUT 1 DC 12V 2 COM4_TXD 3 COM4_RXD 4 NOT USED 5 GND 1 GND 2 GND 3 Q1_OUT 4 NOT USED 1 DC12V 2 5 COMM SIGNAL 6 VCC DC5V 7 11 COMM SIGNAL 12 GND 1 GND 2 NOT USED 3 VCC DC5V 4 7 EEPROM SIGNAL 1 2 COM1 SIGNAL 3 DC12V 4 GND 5 6 COM2 SIGNAL 1 DRAIN SIGNAL 2 GND CN100 VENTILATOR CN703 FAN MOTOR CN101 GND CN140 FUSE CH...

Page 220: ...1 2 GND 3 SPI 洢檺 1 VCC 2 5 挚崎決姢 洢檺 1 EVA INTEMP 2 4 6 GND 3 EVA OUTTEMP 5 DISCHARGETEMP 1 4 洊壟懆 洢檺 5 6 12V 1 欮壊 沋崫 2 GND 1 FUSE CHECK 2 GND 1 12V 2 7 LED 洢檺 8 庲微珮 柦笾 犢崫 9 AUTO SW 10 REMOCON INT 11 GND 12 VCC CN803 旇穞 挚崎決姢 CN402 欮壊 時昢 CN804 洊壟懆 CN401 ROOM 欮壊時昢 CN701 SSR MOTOR CN101 AC INPUT CN702 HALL IC 沋崫 CN805 SPI CN140 FUSE Check CN313 2 昦皻柦 CN301 MICOM DOWNLOAD CN501 DISPLAY ...

Page 221: ...PCB Diagram and Parts List 5 18 Samsung Electronics Wall Mounted type Neo Forte cont SUB SWITCH No CN COLOR FUNCTION CN61 Black Main Sub PCB Connecor CN83 White External Contact Control 17 18 ...

Page 222: ...gram 6 1 Indoor 6 1 1 Global 4way Global Mini 4way cassteet type This Document can not be used without Samsung s authorization Motor Control Display Control Pipe Temp Sensor Float S W Drain Pump Louver Control EEV Control Room Temp Sensor ...

Page 223: ...Wiring Diagram 6 2 Samsung Electronics 6 1 2 Slim 1way cassette type This Document can not be used without Samsung s authorization ...

Page 224: ...Wiring Diagram Samsung Electronics 6 3 6 1 3 BIG Duct This Document can not be used without Samsung s authorization ...

Page 225: ...Wiring Diagram 6 4 Samsung Electronics 6 1 4 Ceiling This Document can not be used without Samsung s authorization ...

Page 226: ...Wiring Diagram Samsung Electronics 6 5 6 1 5 RAC Neo Forte This Document can not be used without Samsung s authorization ...

Page 227: ...Wiring Diagram 6 6 Samsung Electronics 6 1 6 DUCT type Slim III This Document can not be used without Samsung s authorization ...

Page 228: ...Wiring Diagram Samsung Electronics 6 7 6 1 7 DUCT type Slim I II MSP This Document can not be used without Samsung s authorization ...

Page 229: ...ty x 1 10 HP 3 digits Product Notation 1 1 way cassette 2 2 way cassette N Mini 4 way cassette 4 4 way cassette L LSP Duct Slim Duct M MSP Duct H HSP Duct C Ceiling J Console F Floor Standing T NEO FORTE Q NEO FORTE EEV B HYDRO UNIT Floor Standing K FLAT CEILING TYPE VTL Feature D DELUXE F FLAGSHIP G EHS CASCADE EEV RatingVoltage E 1Ø 220 240V 50Hz G 3Ø 380 415V 50Hz Mode H Heat Pump R 410A R Heat...

Page 230: ...1N Standard 1 way CST 1B Large size 1 way 2N 2 WAY 4N 4 WAY 4S MINI 4 WAY 4R Round Panel version 1 2 Korean market use A B Export foreign market use Communication Mode N New Communication Color B Black E WINE U White V Ivory Language K Korean C Chinese M 8 Languages E English TYPE A Automatic boarding slide S STANDARD H PREMIUM Global 4 Way Panel Pattern Waffle Stripe Korean market use 1 5 Export fo...

Page 231: ...that the low pressure is 12 2kg cm g 4 If the low pressure goes below around 2kg cm g then immediately close the SVC valve for the gas and finish the pump down operation Finish the pump down operation press K2 button two more times or reset the operation by pressing the K3 button once more 7 2 3 When Two or More Outdoor Units are Installed 1 Close the gas valves of each sub unit 2 Press the K2 but...

Page 232: ...he refrigerant container valve so that the refrigerant flows from the liquid pipe to the refrigerant container 6 Check the changes in the weight of the container using the scale Once the desired amount of refrigerant is filled up inside the container close the valves and then remove the Manifold gauge 7 The amount of refrigerant that can be contained inside the container is about 50 of the amount ...

Page 233: ...icable International and or domestic law Samsung Electronics Co Ltd Jan 2013 Printed in Korea Code No AC 00015E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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