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Troubleshooting

Samsung Electronics

145

23

24

25

26

C

N

H

N

24V  Themostat

Check the wiring of Thermostat.

Is Thermostat at the same time 

230V and 24V wiring?

Only one wiring of 230V or 24V.

Check the Cooling / Heating wiring has been 

duplicates to each Thermostat. 

Cooling

Heating

19

20

21

22

C

N

H

N

230V  Themostat

Cooling

Heating

Yes

No

4-4-97 Thermostat Wiring Error

Indoor unit display

Cause of problem 

•  Thermostat wiring error of  xxx Hydro Unit.

Criteria 

•  Heating / Cooling  signal of Thermostat at the same time input.

Outdoor unit display

↔

   XXX  (xxx : Address of Indoor Unit that error occurred)

1.   Inspection Method

Содержание AM005NNNDCH Series

Страница 1: ...071 090 112 128 140NN4DEH AM015 022 028 036 045 056 060NNNDEH AM009 012 018 024 036 048NN4DCH AM005 007 009 012 018 020NNNDCH 1 Precautions 2 Product Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram and Parts List 6 Wiring Diagram 7 Reference Sheet ...

Страница 2: ...onic Expansion Valve opening malfunction 2nd stage 58 4 4 10 Breakdown of EEV 2nd 59 4 4 11 Problem with EEV closure 2nd 60 4 4 12 EEV Electronic Expansion Valve opening malfunction 2nd stage 61 4 4 13 EEV Electronic Expansion Valve closure malfunction 2nd stage 62 4 4 14 Detection of Floating Switch of Indoor Unit s Drain Pump 63 4 4 15 The operational error of Indoor Unit s Fan Motor 64 4 4 16 M...

Страница 3: ...sor Discharge Temperature sensor 107 4 4 60 3 phase Input Wiring error 108 4 4 61 Comp Down by Compression Ratio Control 109 4 4 62 EVI EEV Open error 110 4 4 63 Refrigerant Leakage Error 111 4 4 64 ProhibitionoftheoperationofCompressorduetoOoutdoorTemperature 112 4 4 65 High Pressure Standard Not Met before Air Conditioning Inability to Re operate 113 4 4 66 CCH Malfunction and Sump Sensor Miswir...

Страница 4: ...ring Diagram 151 6 1 Indoor 151 6 1 1 Wind free 4way cassette type 151 7 Reference Sheet 152 7 1 Index for Model Name 152 7 1 1 Indoor Unit 152 7 1 2 Panel 153 7 2 Pump down Method 154 7 2 1 Precautions for Pump down 154 7 2 2 For Single Installation of Outdoor Unit Only One Outdoor Unit Installed 154 7 2 3 When Two or More Outdoor Units are Installed 154 7 3 How to Put Refrigerant in Refrigerant ...

Страница 5: ...tatic electricity Please wear insulation gloves before performing PCB repair and measurement 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 Please make sure the customer does not directly repair the product Arbitrary dismantling may result in electric shock or fire ...

Страница 6: ...osing a danger to workers 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 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 i...

Страница 7: ...pe R410A R410A R410A R410A R410A Control Method EEV EEV EEV EEV EEV Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Fuse Fuse Fuse Piping Connections Liquid Flare Φ mm 6 35 6 35 9 52 9 52 9 52 Gas Flare Φ mm 12 7 12 7 15 88 15 88 15 88 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 2...

Страница 8: ... R410A Control Method EEV EEV EEV EEV EEV Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Fuse Fuse Fuse Piping Connections Liquid Flare Φ mm 9 52 9 52 6 35 6 35 6 35 Gas Flare Φ mm 15 88 15 88 12 7 12 7 12 7 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 Weight N...

Страница 9: ...rol Method EEV EEV EEV EEV EEV Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Fuse Fuse Fuse Piping Connections Liquid Flare Φ mm 9 52 9 52 9 52 9 52 6 35 Gas Flare Φ mm 15 88 15 88 15 88 15 88 12 7 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 Weight Net Weight...

Страница 10: ...l Method EEV EEV EEV EEV EEV Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Fuse Fuse Fuse Piping Connections Liquid Flare Φ mm 6 35 6 35 6 35 6 35 6 35 Gas Flare Φ mm 12 7 12 7 12 7 12 7 12 7 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 Weight Net Weight kg 12...

Страница 11: ...10A R410A R410A R410A R410A Control Method EEV EEV EEV EEV EEV Temperature Control Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Fuse Fuse Fuse Piping Connections Liquid Flare Φ mm 6 35 6 35 6 35 6 35 6 35 Gas Flare Φ mm 12 7 12 7 12 7 12 7 12 7 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 OD 32 ID 25 VP25 O...

Страница 12: ...BLDC Output W 65 5 65 5 Air Flow Rate H M L UL CMM 13 00 11 00 9 50 13 50 12 00 10 20 l s 217 183 158 225 200 170 Refrigerant Type R410A R410A Control Method EEV EEV Temperature Control Micom Thermistors Micom Thermistors Safety Devices Fuse Fuse Piping Connections Liquid Flare Φ mm 6 35 6 35 Gas Flare Φ mm 12 7 12 7 Drain Φ mm VP25 OD 32 ID 25 VP25 OD 32 ID 25 Weight Net Weight kg 12 0 12 0 Shipp...

Страница 13: ...eiver needed MR EH00 Cassette Duct Receiver needed MR KH00 360 cassette AR EH03E All model Wired remote controller Multi function MWR WE10N Cassette Wall mounted Ceiling Duct Console ERV MWR WE13N All model Wired remote controller Multi function MWR WW00N Hydro unit Hydro unit HT Wireless signal receiver MRK A10 Duct For wireless remote controller Remote sensor MRW TA Cassette Wall mounted Ceiling...

Страница 14: ...Over 50 HP Header joint MXJ HA2512M Below 46 4 kW DVMS HP HR Requisite MXJ HA3115M Below 69 6 kW MXJ HA3819M Over 69 7 kW EEV kits MXD E13K116A Below 3 6 kW 1 Room 5 6 kW 9 0 kW 1Room Wall mounted Ceiling indoor unit For 2 indoor units Option MXD E13K200A Below 3 6 kW 2 Rooms MXD E16K200A 5 6 kW 9 0 kW 2Rooms MXD E22K200A Over 9 0 kW 2Rooms MXD E13K216A Below 3 6 kW 2 Rooms 5 6 kW 9 0 kW 1Room Wal...

Страница 15: ...Slim 1way cassette Wind free 1way cassette PC1NWSMAN Slim 1way cassette PC1MWSKAN Slim 1way cassette 1way cassette Requisite PC1NUPMAN Slim 1way cassette PC2NUSMEN 2 way cassette PC4SUSMAN Mini4way cassette PC4SYSMEN Mini4way cassette PC4NUSKAN 4 way cassette PC4NUSKEN 4 way cassette PC4NBSKAN PC4NUDMAN PC4NUNMAN 4 way 360 cassette 360 cassette cassette MCU MCU S4NEE1N Below 4 indoor units DVMS HR...

Страница 16: ...16 Samsung Electronics Necessary Tools 3 Disassembly and Reassembly Item Remark Screw Driver Monkey Spanner Screw Driver Nipper Electric Motion Driver L Wrench ...

Страница 17: ...he safety clip and white link from the panel 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the 4 connector wires from the PBA Remocon Receiver Blade motor and Humidity sensor 5 Detach the 4 corners of the panel using both hands 3 1 Indoor Unit AM045 056 071 090 112 128 140NN4DEH AM009 012 018 024 036 048NN4DCH ...

Страница 18: ... 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 ConnectorWire that is con nected 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 ...

Страница 19: ...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 ...

Страница 20: ...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 ConnectorWire from the PBA 3EA AM015 022 028 036 045 056 060NNNDEH AM005 007 009 012 018 020NNNDCH ...

Страница 21: ...wards to remove it 6 Disassemble the bolts that are assembled with the indoor unit at the 4 panel corners 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 ConnectorWire that is connected to the indoor unit s PBA ...

Страница 22: ...ntrol Box and disassemble the Control Box from the indoor unit Use Screw Driver 3 Bell Mouth 1 Unscrew the screw fixed on the Bell Mouth Use Screw Driver 1 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 ...

Страница 23: ...Disassembly and Reassembly Samsung Electronics 23 No Parts Procedure Remark 4 Drain Pan 1 Remove the Drain Pan from the indoor unit ...

Страница 24: ...00 10 black 6 Set up the number of connected outdoor units 2 MICOM download AS PRO SMW200 07P white 7 For checking indoor unit communication YW396 02P red 3 ERROR DISPLAY 8 Transmitter 12V YW396 02P blue 4 State Check SMW250 04P red 9 Outdoor UnitTact Switch 5 EEPROM SOCKET 10 Outdoor Unit Dip Switch 3 6 8 7 4 9 1 5 2 10 ...

Страница 25: ...n K K BLANK 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 K9XX Displayofl...

Страница 26: ...uct Operationtime Min 60minutes Max 10hours Etc Exceedthemaximumoperatingtimeatstopsandwaits Protectionandcontrol self diagnosisisperformed Refrigerant filling operation Operationtofillingtherefrigerantcompressorwasfixedatacertainfrequency Cooling Heating MethodofEntry K2TactSwitchonetime K1TactSwitchonetime Compressor Startingfrequency MildStartfrequency operation IndoorUnit Wholeoperation Theset...

Страница 27: ...pondingOutdoorUnitoperation Topumpoutmorethan2 ExceptcommunicationbetweenOutdoorUnitofrelevantsetafterworkingforone remaindersetmakesPumpOutadd Cooling Pump Down RecovertherefrigerantofIndoorUnitandPipingtooutdoorside Liquidpipeservicevalveandthegaspipeservicevalveoperation theoperatormanuallyneedtoclose Iftheinstallationofthelongpipe Anyrefrigerantintotheoutdoorunitcannotberecovered thereforeshou...

Страница 28: ...ral discharge In particular E 464 E364 power devices may be damaged therefore do not use the discharge mode Block the Inverter PCB 3 phase relay after connected the power and through compressor DC voltage is discharging INV1 and INV2 DC voltage during discharge mode are displayed alternately Discharge mode Display Rotate the three page display as shown below K A DC Link Volt1 For example 120 V 0 1...

Страница 29: ...orethan10 C Coolingcommissioning Outdoortemperatureislessthan10 C Heatingcommissioning Oilrecoverystart Oilrecoverystart Itisafter10minuteswhichSafetyStartfinishes Etc Oilrecoveryshutdownandstopthenormalpatternoftheoutdoorunitstop 4 2 2 DVM S Models EEPROM Code Table No Model Name EEP Code 1 AM080FXVAGH EU DB82 01358A 2 AM100FXVAGH EU DB82 01359A 3 AM120FXVAGH EU DB82 01360A 4 AM140FXVAGH EU DB82 ...

Страница 30: ... 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 The total number of available options are 24 SEG1 to SEG24 Because SEG1 SEG7 SEG13 and SEG19 are the page options used by the previous remote control models the modes to set values for these options are skipped automati...

Страница 31: ... 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 selected...

Страница 32: ...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...

Страница 33: ...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 ...

Страница 34: ...1 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 return...

Страница 35: ...ption 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 ...

Страница 36: ... is automatically set to 0 by default The SEG5 option Use of central control is set to 1 Use by default Therefore you don t need to set the SEG5 option additionally Note that even if the central control system is not connected no errors occur If you want a specific indoor unit not to be controlled by the central control system set the SEG option of that indoor unit to 0 Disuse The external output ...

Страница 37: ...on when thermostat is off 0 2 0 Disuse Cooling Heating Disuse 0 Disuse 0 Disuse recessed installation 1 Use Cooling Heating Disuse 2 Disuse Heating Use 2 1 Use 1 High ceiling mode recessed installation 3 Use Heating Use 2 4 Disuse Cooling Use 4 Disuse exposed installation 5 Use Cooling Use 6 Disuse Cooling Heating Use 2 5 High ceiling mode exposed installation 7 Use Cooling Heating Use 2 Option SE...

Страница 38: ...2 Use 4 3 Window ON or OFF control 3 Use 4 Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Function Page Individual control with remote control Heating setting compensation offset Removing condensated water in the Heat mode EEV step of stopped unit during the oil return or the defrost mode Motion detection sensor Cycle time of Swing Indication and details Indication Details Indication Details Indicatio...

Страница 39: ...g only indoor unit To use this option install the Mode Select switch MCM C200 on the outdoor unit and fix it to the Cool mode 4 When the following 2 or 3 is used as external heater On or Off signal the signal for monitoring external contact control will not be output 2 The fan is turned on continually when the external heater is turned on 3 The fan is turned off when the external heater is turned ...

Страница 40: ...oling reference temperature When setting SEG3 Reference for change from Heat mode to Cool mode SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1 When setting SEG3 Reference for change from Cool mode to Heat mode When setting SEG3 Time required for mode change Compensation option for a long pipe and the height difference between indoor units SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 Control variables when the hot wat...

Страница 41: ... 0 AM036NNNDEH AM036NNNDEH 0 1 5 0 4 F 1 9 3 4 2 A 2 0 2 4 2 4 3 3 0 0 0 0 AM045NNNDEH AM045NN4DEH 0 1 5 0 4 F 1 9 5 4 4 E 2 0 2 D 2 D 3 3 0 0 0 0 AM056NNNDEH AM056NNNDEH 0 1 5 0 4 F 1 9 5 4 7 F 2 0 3 8 3 8 3 3 0 0 0 1 AM060NNNDEH AM0660NNNDEH 0 1 5 0 4 F 1 9 5 5 9 1 2 0 3 C 3 C 3 3 0 0 0 3 WINDFREE 4Way AM009NN4DCH 0 1 4 0 4 F 1 9 5 0 9 7 2 0 1 A 1 A 3 3 0 0 0 0 AM012NN4DCH 0 1 4 0 4 F 1 9 5 0 9 ...

Страница 42: ...mmunicationerroraftertrackingduetounmatchingnumberof installedunits 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...

Страница 43: ...bleindoorunit E164 On Flickering Off If you turn off the 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 ...

Страница 44: ...door unit and other methods of error display Error Number Outdoor unit address Error Number repeat display E471 U200 E471 U200 E206 C001 E206 C002 Displayed alphabet 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 C10...

Страница 45: ...ate 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 option input is Incorrect or missing Outdo or unit EEPROM data error E 180 Simultaneous opening of cooling heating MCU SOL V V 1st detection E 181 Simultaneous opening of cooling heating MCU SOL V V...

Страница 46: ...ion compared to number of indoor units assigned to MCU E 219 Error on temperature sensor located on MCU intercooler inlet Short or Open E 220 Error on temperature sensor located on MCU intercooler outlet Short or Open E 221 Error on outdoor temperature sensor of outdoor unit Short or open E 231 Error on COND OUT temperature sensor of main outdoor unit Short or Open E 241 COND OUT sensor is detache...

Страница 47: ...e 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 Inverter ...

Страница 48: ...ut 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 to check if the service valve is closed E 504 Error due to self diagnosis of compressor operation E 505 Error due to self diagnosis of high pressure sensor E 506 Error d...

Страница 49: ...Error due to freeze prevention Re operation is possible E 909 Error due to freeze prevention Re operation is impossible E 910 Water temperature sensor on water outlet pipe is detached E 911 Flow switch off error When the switch is turned off within 10 seconds after a pump starts its operation Re operation is possible E 913 Six times detection for Flow Switch Error Re operation is not possible E 91...

Страница 50: ...defect 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 ...

Страница 51: ...not Main PCB defective Hub PCB defective High pressure switch operation 1 Cause of problem ReplaceFanPCB ChecktheconnectionstatusofEMIPCB ChecktheshortcircuitofEMIPCBFuse Refrigerantovercharge Highpressureswitchisdefective No No Yes Yes Yes HUBPCBCN70AC220Visconnected Isahighpressureswitchnormal ChecktheshortcircuitofHubPCB ReplaceHubPCB No Yes ConfirmablinkingofHubPCBLED Connectingthecommunicatio...

Страница 52: ...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 sensor defect replace it Yes No No Ex Room temp 26 C Resistance 0 926KΩ Temperature C Resistance KΩ 70 60 50 40 30 21 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Outdoor unit display x x x x x x The address of the error occurred indoor unit Indoor unit displa...

Страница 53: ... 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 26 C Resistance 10 93KΩ Yes Re start after replacing PCB Yes Temperature C Resistance KΩ 70 60 50 40 30 21 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Outdoor unit display x x x x x x The address of the error occurred indoor unit Indoor unit displ...

Страница 54: ... 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 replace it Yes Yes Yes No No Part to measure resistance value Temperature C Resistance KΩ 70 60 50 40 30 21 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Outdoor unit display x x x x x x The address of the error occurred indoor unit Indoor unit display ...

Страница 55: ...Before and after the Compressor operation EVA Out tem perature difference is less than 3 C Restart operation after connecting the connector to the PCB After separating the Indoor EVA In sensor connector from the PCB measure the resistance value between the two terminals Yes No 70 60 50 40 30 20 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Did the Indoor EVA In sensor connector breakaway from th...

Страница 56: ...Hydro Unit Before and after the Compressor operation EVA Out tem perature difference is less than 3 C Restart operation after connecting the connector to the PCB After separating the Indoor EVA Out sensor connector from the PCB measure the resistance value between the two terminals Yes No 70 60 50 40 30 20 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Did the Indoor EVA Out sensor connector brea...

Страница 57: ...r 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 ...

Страница 58: ...peration Excessive reset operation can cause damage to the Heat Exchanger Is the EEV wire connected to the PCB Yes No No No No Yes Yes Yes ConnecttoPCBandrestartoperation ConnecttheEEVcoilproperlyand restartoperation IstheEEVcoilconnectedtothemainbodyproperly Aftermeasuring thecoilterminalresistance isthereadisconnectionor shortcircuitinsidethecoil NormaloperationofEEV AfterResetting theOutdoorUni...

Страница 59: ...f 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 indoo...

Страница 60: ...k if 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 ind...

Страница 61: ...othemainbody properly Aftermeasuring thecoilterminalresistance isthereadisconnectionorshort circuitinsidethecoil AfterResetting theOutdoorUnit doesanerroroccur evenafterrunningitagainwith thesamecombination ReplaceEEVcoil Yes Yes No Yes HowtoturnofftheHydroUnitE151 HydroUnitPCBk1 k2switch Atthesametimepushformorethan 4seconds Afterresolvingthecauseoftheerror restartoperation Excessiveresetoperatio...

Страница 62: ...n T Room 3 C andT Eva_Out T Room 3 C condition for more than 5 minutes 2 How to check No Connect to PCB and restart operation No Connect the EEV coil properly and restart operation Yes Replace EEV coil No Normal operation of EEV Is the EEV wire connected to the PCB Is the EEV coil connected to the main body properly After measuring the coil terminal resistance is there a disconnection or short cir...

Страница 63: ...ion 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 Float sensor error will be removed only when the remote con...

Страница 64: ...ck 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 motor 4 If there is no problem with the above checkup items replace the PCB Outdoor unit display x x x x x x The address of the error occurred indoor unit Indoor unit display Operation Timer Criteria Refer to the judgment method below Cause of proble...

Страница 65: ...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 in...

Страница 66: ...ng 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 Outdoor unit display Indoor unit display Operation Timer Criteria Communication failure between EEPROM and MICOM Cause of problem PCB replacement due to defective EEPROM ...

Страница 67: ...en enter correct options 4 4 19 Error due to confused use of Fahrenheit and Celsius Check relevant remote controller options for each model then enter correct options As this happens only in a Celsius setting model it is necessary to reenter option codes for error free models in a region where Celsius is used Outdoor unit display Indoor unit display Operation Timer Fan Filter Defrost Criteria Disp...

Страница 68: ...heck 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 S...

Страница 69: ...eck for disconnected line after turning off the Main power Outdoor unit display Indoor unit display Wall mount LED Displays 18o C 21 o C Reservation 24 o C 27 o C Criteria Check for Power input 220V for the Terminal block F1 F2 Cause of problem Apply power 220V to the terminal of the indoor unit communication block F1 F2 ...

Страница 70: ...ted 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 Outdoor unit display Indoor unit display Operation Timer Fan Filter Defrost Criteria Check if the output of SPI Feedback is 12V Cause of problem SPI defect ...

Страница 71: ...f 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 Criteria Refer to the judgment method below Cause of problem The liquid pipe gas pipe of the ind...

Страница 72: ...getheindoorunitPCB Isthevoltagebetween the2cablesasquarewavewith DC 0 7Vormore Arethenumberof actualinstalledindoorunitsandthesetvalueforthe installationquantitysetup switchthesame Correctlysettheindoorunitinstallationquantity setupswitchoftheoutdoorunit andpressthereset key K3 oftheoutdoorPCBtore executetracking After2minutes findtheindoorunitwhichdisplays thecommunicationerrorfortheindoorunits a...

Страница 73: ...dchangetheindoorunitPCB Aftertwominutes findtheindoorunitwhichdisplays thecommunicationerrorandcheckifthePCBaddress settingsareoverlapped Communicationerroroccursiftheindoorunit addressesareoverlapped Inthiscase thecommunicationerrorwilloccurineveryindoor unit 2ormoreunits withtheaddressincorrectlyset Checkthecommunicationcableandthe connectorfortheoutdoorunitPCB andchangethePCB 0 7V 0 7V Good Def...

Страница 74: ...5V Checkwiringofoutdoorunit communicationcable CheckK13andK14setup optionsforoutdoorunit ReplacePCB Checkthepower Changewiringorconnect Changesettings Yes Yes Yes No No No 1 Cause of problem EssentialRequirementsbeforeChangingPCBinCaseofCommunicationError Refertop 59 Outdoor unit display Indoor unit display Operation Timer Criteria Refer to the judgment method below Cause of problem Communication ...

Страница 75: ...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 the outdoor unit PCB to re execute tracking After two minutes find the MCU which displays the communication error and check if the PCB...

Страница 76: ...IsInverterPCB1CN32andInverterPCB CN31connectoraccuratelyconnected 1 ChecktheInverterPCB1CN32 CN91andFan PCBCN12Communicationwire Connector 2 RestartoperationafterconnectingtheHubPCB CN97andFanPCBCN13connector ServiceafterturnofftheMainPower 1 ChecktheMainPCB MainPCBTXcircuit inspection 2 ChecktheHubPCB HubPCBTXcircuit inspection ServiceafterturnofftheMainPower No No Yes IsInverterPCB1CN32andFanPCB...

Страница 77: ...tionstatus CN12connector FanPCBCN13connection No No No Yes Yes Yes Connectionwireof HubPCB MainPCBdidconfirmation Verifythebrokenwire LightingofFanPCBLD41didconfirmation IsFanPCBCN13connectoraccuratelyconnected E206 C001 E206 C002 Outdoor unit display Indoor unit display Operation Timer Criteria PCB does not respond to the invoked Main PCB Cause of problem C Box internal Inverter PCB Fan PCB Hub P...

Страница 78: ...nd change the MCU PCB After two minutes find the MCU which displays the communication error and check if the PCB address settings are overlapped A communication error occurs if the indoor unit addresses are overlapped In this case a communication error will occur in every MCU two or more units with the address incorrectly set Inspect the communication cable and the connector of the outdoor PCB and...

Страница 79: ...n it off to restart 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 Branch A 4 B 2 C D E 5 F 6 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 C D E 5 F 6 Outdoor unit display Indoor unit display Operation Timer Criteria When 2 bra...

Страница 80: ...turn it off to restart 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 Branch A 4 B 2 C D E 5 F 6 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 C D E 5 F 6 Outdoor unit display Indoor unit display Operation Timer Criteria The sam...

Страница 81: ...4 4 2 1 5 6 0 Branch A 4 B C D E 1 F 6 MCU BOX 0 Outdoorunit PCB MCU PCB OFF MCU address setup ON Indoor unit Indoor unit address Branch part use setup 4 4 2 1 5 5 1 6 0 Branch A 4 B C D E 5 F 6 MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B D E 0 7 F 1 MCU BOX 0 Outdoorunit PCB MCU address setup Indoornumbersetup MCUnumbersetup Indoorunmbersetup MCUunmbersetup 5 1 MCU BOX 1 2 C Outdoor unit di...

Страница 82: ...or Indoor Quantity Used MCU Address Setup Setup for Indoor Quantity Used ON Indoor Unit 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 0 Outdoor Unit PCB MCU PCB OFF MCU Address Setup ON Indoor Unit Address Setup for Using Branch Sphere 4 4 2 1 5...

Страница 83: ... 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 MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B C D E 0 F Outdoor unit display Indoor unit display Operation Timer Criteria Occurs when an indoor unit address se...

Страница 84: ...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 MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B C D E 0 F 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 C D E 5 F 6 2 Outdoor unit display Indoor unit display ...

Страница 85: ...eset or turn off to restart OFF Indoor unit address 4 0 1 2 5 7 Branch A B C D E F MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B C D E 0 F 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 C D E 5 F 6 2 Outdoor unit display Indoor unit display Operation Timer Criteria Occurs when MCU PIPE is set as being used yet not con...

Страница 86: ...o reset or turn off to restart 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 Branch A 1 B 2 C D E 8 F 6 MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B D E 0 7 F 2 C Outdoor unit display Indoor unit display Operation Timer Criteria Occurs when the number of indoor units installed exceeds th...

Страница 87: ...heresistancevalue betweentheterminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortothePCB Replacethissinceitisthedefectiveof theoutdoortemperaturesensoritself Yes No No Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistancevaluemeasurepart OUT OUT Outdoor unit display Indoor unit display Operation Timer Crite...

Страница 88: ...emperature 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 ...

Страница 89: ...easuretheresistance valuebetweenthetwoterminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortothePCB Replacethispartasitisthedefectiveofthe outdoorCondOutsensoritself Yes No No Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistancevaluemeasurepart COND COND Outdoor unit display Indoor unit display Operation Timer ...

Страница 90: ... is in operation indoor unit operation andThermo On OK Error Content Outdoor Cond Out sensor breakaway error Yes Yes IstheCondOut sensorandthesensorholdercorrectly attached Arethereanychanges nthevalueofthesensorwhenoperatingfrom stoptoheating IstheCondOutsensor resistancevaluereasonable RefertoE231 Complete Re insertsensor Re attachsensorholder Yes No DefectiveSensor ReplaceSensor No BlockedSenso...

Страница 91: ... PCB and measure the resistance value between the 2 terminals Restart operation after changing 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 1 Inspection Method Resistance value measure part O...

Страница 92: ...sor from the PCB and measure the resistance value between the 2 terminals Restart operation after changing PCB Restart operation after connecting the connector to PCB Change this part as it is the fault of the constant rate compressor discharge temperature sensor itself Yes No No Yes 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 Comp 2 Com...

Страница 93: ...erationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe CompressorDischargeor TopTemperaturesensoritself 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 Resistancevalue measurepart Resistancevalue measurepart TOP1 TOP2 TOP1 TOP2 Outdoor unit display Compressor 1 Discharge C...

Страница 94: ...ondition 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 will be no Sump sensor dislocation detection 2 How to check 1 Check if a sensor of the relevant compressor has been dislocated in accordance with error code assemble and correct the error Outdoor unit display digital compresso...

Страница 95: ...e insertthesensor Re attachthesensorholder No Yes Yes Outdoor unit display Indoor unit display Operation Timer Criteria If the suction temperature right before operating the Comp when the operating order is highest is set atTsuc ini and the suction temperature of the current Comp is set atTsuc real it is considered to have an error if the condition of Tsuc real Tsuc ini 2 C is maintained for 30 mi...

Страница 96: ...he 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 itself No No Yes Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistance value measure part Outdoor unit display Indoor unit display Operation Re...

Страница 97: ...ReplaceHighPressuresensor Pleasere inspectafterconnecting theconnectortothePCB No Yes DidtheHighPressure sensorconnectorgetdisconnected fromthePCB Refillrefrigerantaftervacuum No Yes Isthererefrigerantinsidetheset Pleasecheckbyconnectingthemenufoldergauge totheservicevalve ReplacePCB No Yes OutofthePCBHighPressure sensorterminals istherevoltagebetween pins3and45V The markisthe1stpinonthePCB Outdoo...

Страница 98: ...Replace LowPressuresensor Pleasere inspectafterconnecting theconnectortothePCB No Yes DidtheLowPressuresensorconnector getdisconnectedfromthePCB Refillrefrigerantaftervacuum No Yes Isthererefrigerantinsidetheset Pleasecheckbyconnectingthemenu foldergaugetotheservicevalve ReplacePCB No Yes OutofthePCBLowPressure sensorterminals istherevoltagebetween pins3and45V The markisthe1stpinonthePCB Outdoor u...

Страница 99: ...measuretheresistancevalue betweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorSuctionsensoritself No No Yes Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistancevaluemeasurepart SUCT SUCT Outdoor unit display Indoor unit display Operation Timer ...

Страница 100: ...Bandmeasuretheresistancevalue betweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveof theLiquidPipeTemperaturesensoritself No No Yes Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistancevaluemeasurepart LIQUID LIQUID Outdoor unit display Indoor unit display O...

Страница 101: ...thePCBandmeasure theresistancevaluebetweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorEVIInTemperaturesensoritself No No Yes Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 저항값측정부위 EVI IN EVI IN Outdoor unit display Indoor unit display Operation Tim...

Страница 102: ...easurethe resistancevaluebetweenthe2terminals RestartoperationafterreplacethePCB Restartoperationafterconnecting theconnectortoPCB Replacethispartasitisthedefectiveofthe OutdoorEVIOutTemperaturesensoritself No No Yes Yes Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistancevaluemeasurepart EVI OUT EVI OUT Outdoor unit display Indoor unit display O...

Страница 103: ...B 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 sensor itself Yes No No Temperature C 70 60 50 40 30 20 10 0 10 Resistance KΩ 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Resistance value measure part Outdoor unit display Indoor unit disp...

Страница 104: ...nspection Replacerelevantcomponent motororfan Yes Yes Yes No Yes Areallservicevalvesopen ConnectS netandManifoldGauge essentialrequirement No No No Yes No 1 Cause of problem Outdoor unit display Indoor unit display Operation Timer Criteria Value of the high pressure sensor is detected at 40kg cm or more Cause of problem Cooling Operation Outdoor unit fan motor problem constrained defective Motor d...

Страница 105: ...tcomponent Yes Yes Yes No Areallservicevalvesopen ConnectS netandManifoldGauge essentialrequirement No No No Yes Yes 1 Cause of problem No Outdoor unit display Indoor unit display Operation Timer Criteria Inspection when the value of low pressure sensor is 0 8kg cm or less for air conditioning and 0 6kg cm for heating Cause of problem Refrigerant shortage Electronic expansion valve blocked Service...

Страница 106: ...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 Criteria Maintain sump temperature of 95 C or more for five minutes...

Страница 107: ...unt ReplaceCompressorDischarge Temperaturesensor OpentheServiceValve ChecktherelevantEEV Pipeinspection ConnectS netandManifoldGauge essentialrequirement No No No Yes Yes Yes Yes No Outdoor unit display Indoor unit display Operation Timer Criteria When value of compressor discharge temperature sensor is checked at 120 C or more Cause of problem Refrigerant shortage Electronic expansion valve is bl...

Страница 108: ...ge ReplaceFuse iftherectifierdiodeoftheinverter PCBisnormal Connectionandthenrestartit DidtheReactor ConnectionTerminalisconnected properly DidtheEMIPCBFuseisshort IsEMIPCBCN21 connectorandInverterPCBaccurately connected Outdoor unit display Indoor unit display Operation Timer Criteria When turn on the power and check the status of the power from the inverter If the phase does not connect the powe...

Страница 109: ...refrigerant Yes Yes No IstheS netestimatedvalueandthe ManifoldGaugevalueinrange ConnectS netandManifoldGauge essentialrequirement No No No No Outdoor unit display Indoor unit display Operation Timer Criteria When compression ratio high pressure 1 low pressure 1 less than 1 5 and lasts for 10 minutes or more Differential pressure high pressure low pressure less than 0 4 MPa g and lasts for 10 minut...

Страница 110: ...EV ChecktheEVIEEVleakage Yes Indoor EEV leakage can be easily checked during the operation of cooling operation and during the not go end blast operation In case it is normal the EVA In and Out temperatures for the blast may rise If cooling operation is operated for low temperature with excessive refrigerant amount then the DSH may descend Outdoor unit display Indoor unit display Criteria DSH 10 C...

Страница 111: ...m2G 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 sensor Is there refrigerant inside the set Please check by connecting the menufolder gauge to the service valve Refill refrigerant after vacuum Replace PCB No Please re inspect after connecting the...

Страница 112: ...t air with View Mode or S net and if the actual outdoor temperature is different please replace the temperature sensor Outdoor unit display prohibit heating operation in outdoor temperature over 30 C prohibit heat filling operation in outdoor temperature over 15 C Indoor unit display No sign Criteria Right before an outdoor unit starts heating operation by On signal of an indoor Remocon the error ...

Страница 113: ...andcheckconnector No No Yes Yes Supplementorrechargetherefrigerant Outdoor unit display Indoorunit display Operation Reservation Blast Filter Defrost Judgment Method Operation should be forbidden if High Pressure sensor value of the Main Unit before the pump down is started at 2 2kg cm g or below for air conditioning and 1 0kg cm G or less for heating for three consecutive seconds Restarting opera...

Страница 114: ...en display E445 Outdoor Unit Display Indoor Unit Display Judgment Method Refer to the judgment method below Special Cause CCH Connector PCB is not connected Sump sensor compressor separated Own problem of CCH 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 co...

Страница 115: ...W or S W Cause of problem Compressor connection error Defective Compressor Defective PCB 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 Cause of problem ...

Страница 116: ... Fandorotatebyhand ReplaceFanMotor No No Ifyourotatethefanbyhand thenoiseoccurs ReplaceFanMotor Yes Yes Connectionwireof FanMotordidconfirmation Checktheconnectionstatusof theFan1andFan2 Checktheconnectionstatus andthenrestart No 1 Cause of problem Outdoor unit display FAN PCB FAN1 FAN PCB FAN2 Indoor unit display Criteria Is checked symptoms by phase current of Fan Motor Cause of problem Fan Moto...

Страница 117: ... Indoor unit display Operation Timer Criteria Momentary stop of compressor due to momentary blackout Cause of problem Momentary stop of compressor due to momentary blackout 4 4 69 Momentary Blackout error 1 Precautions Replace Hub PCB or Main Hub Connection wire ...

Страница 118: ...tionis detached Checktheconnectingwireandrestartit No Yes Isthereanythingstrangein appearanceFanMotor ReplaceFanPCB No 1 Cause of problem Outdoor unit display FAN PCB FAN1 FAN PCB FAN2 Indoor unit display Overheating due to the internal sensor of the Fan Motor Criteria Defective connection wire Defective Fan Motor Defective PCB Defective installation conditions Cause of problem Fan Motor connectio...

Страница 119: ...or the fan connector normal Re connect connector Is connection for fan power condenser normal Complete Is the motor operating condition normal after changing PBA Change motor Outdoor unit display Indoor unit display Criteria In case the number of the revolutions of the outdoor unit fan motor in motion is different by 100 rpm or more compared to the instructed value Cause of problem Outdoor unit fa...

Страница 120: ...o Yes Istheboltoftheheatsinkfullytightened TightenBolt No Yes Didchecktheforeignobjectsbetween theheatsinkandIPM No 1 Cause of problem Complete Removeforeignobjectsand applytheheatsinkgrease Andthenreassembly Outdoor unit display FAN1 PCB FAN2 PCB Criteria IPM internal temperature more than 85 C E455 E355 Cause of problem Heat sink and IPM assembly defective Defective heat sink cooling ...

Страница 121: ...ow to check 1 It is a signal to protect a motor by checking the operational condition of the outdoor unit s fan motor without power so as not to operate it in counter clockwise condition 2 Check if there is wind strong enough to force a fan to rotate counter clockwise where the outdoor unit is installed Outdoor unit display Indoor unit display Criteria When the current of an operating outdoor fan ...

Страница 122: ...ter the same as the CT sensor value Test Operation Inspection Complete Change CT sensor Change CT sensor Change CT sensor Breakdown of Compressor Change compressor Connect a separate ammeter optional No No No No Yes Yes Yes Yes Outdoor Unit Display Indoor Unit Display Operation Reservation Blast Filter Defrost Judgment Method Error displayed if the CT sensor value of the relevant compressor is 20A...

Страница 123: ...ctive PCB 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 co...

Страница 124: ...Istheoutdoorunitinstalledproperly 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...

Страница 125: ...ort DC Link Overvoltage Low voltage occurs Cause of problem Check the input wiring EMI Fuse short PowerOff Yes Yes 380Visthevoltage betweenterminalblocks R S Twire PowerR S T Nwirevoltagecheckandrestartit ReplaceInverterPCBandthenrestartit Checkthe3 phasesensingcircuitpart ReplaceFuse iftherectifierdiodeof theinverterPCBisnormal No No DidtheEMIPCBFuseisshort 1 Cause of problem ...

Страница 126: ...Power wiring error Momentary Overvoltage Low voltage occurs PCB voltage sensing circuit defective PowerOff Yes IsPowerconnectionaccuratelyconnected PowerCablere connection No Yes IsReactoraccuratelyconnected ChecktheReactorconnection No No DidtheFuseisshort ReplaceFuse Yes Yes IsEMIPCBandInverterPCB accuratelyconnected PowerOffandthenre connection No Yes IsInverterPCBand FanPCBDC Linkvoltageconnec...

Страница 127: ...hange 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 SUMP temperature decrease DSH 5 C 25 min Special Cause EVI EEV and super cooler liquid bypass valve leakage refrigerant overcharge indoor unit EEV leakage di...

Страница 128: ...tive PCB Connector error Defective Motor 1 Cause of problem FANReplacePCB Reinstallafterremovingobstacle No Yes Yes Istheoutdoorunitinstalledproperly OutdoorFanMotor No Yes Istheresistancevalue betweendifferentphasesofFanMotor U V V W W U lessthan10Ω OutdoorFanMotor Checktheconnectionwire CheckthestatusoftheconnectionUVW No No Yes Yes Istheresistancebetweenthebodyof FanMotorandchassisMΩ DoestheFan...

Страница 129: ...r OUTDOOR FAN PCB FAN1 Output Current sensor OUTDOOR FAN PCB FAN2 Output Current sensor Judgment Method Sensor Output detection Judged as an error if the detected value is more than 2 8V or 0 2V less than Cause of problem Input voltage defective PCB voltage sensing circuit defective PowerOff ReplaceInverterPCB ReplaceFanPCB Yes No IsPowerconnectionaccuratelyconnected E485orE385 E468orE368 E493orE3...

Страница 130: ...play Judgment Method N phase wiring error and EMI Fuse short DC Link Overvoltage Low voltage occurs Cause of problem Check the input wiring EMI Fuse short PowerOff Yes IsInverterPCBCN15 andFanPCBCN11DC Linkvoltageconnection wireaccuratelyconnected Connectionandthenrestartit No ReplaceFanPCB 1 Cause of problem ...

Страница 131: ... Checktheconnectingwireandrestartit No Yes HALLIConthePCBisconnectedcorrectly PowerOff PowerRestart Outdoor Unit Display FAN PCB FAN1 FAN PCB FAN2 Indoor Unit Display Judgment Method Connection status error Hall IC wire disconnection Defective circuit parts and defective manufacturing Fan Motor defective Special Cause EVI EEV and super cooler liquid bypass valve leakage refrigerant overcharge indo...

Страница 132: ...30 4000 2 03 40 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 Repl...

Страница 133: ...o July 2011 if the software version of the indoor unit Cause of problem Check the software version of the indoor unit Check whether the support of the indoor unit PowerOn Yes Yes Doesconnected indoorunitbecomecompatiblewith DVMINV Replacetheindoorunitthatis compatiblewiththeDVMINV Softwareupgrade ReplaceindoorunitPCB No No Issoftwareversionof indoorunitsinceJuly 2011 1 Cause of problem ...

Страница 134: ...s 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 ...

Страница 135: ...n body 3 Check if there 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 In case of closure problem operate the indoor unit in which the error has occurred In case of opening problem p...

Страница 136: ...ction 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 No ...

Страница 137: ...f 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 to P...

Страница 138: ...rfromthePCBand measuretheresistancevaluebetween the2terminals Didtheresistancevaluesignificantly strayfromthefollowing temperaturetable RestartoperationafterreplacethePCB Replacethispartasitisthedefectiveof WaterInTemperatureSensoritself 4 4 90 Hydro Unit Water In Temperature Sensor Error Open Short Indoor unit display Cause of problem Hydro Unit Water In Temperature Sensor Open Short error of xxx...

Страница 139: ...rfromthePCBand measuretheresistancevaluebetween the2terminals Didtheresistancevaluesignificantly strayfromthefollowingtemperaturetable RestartoperationafterreplacethePCB Replacethispartasitisthedefectiveof WaterOutTemperatureSensoritself 4 4 91 Hydro Unit Water Out Temperature Sensor Error Open Short Indoor unit display Cause of problem Hydro Unit Water Out Temperature Sensor Open Short error of x...

Страница 140: ...istancevaluebetween the2terminals Didtheresistancevaluesignificantly strayfromthefollowingtemperaturetable RestartoperationafterreplacethePCB Replacethispartasitisthedefectiveof WaterTankTemperatureSensoritself Resistancevalue measurepart 4 4 92 Hydro Unit Water Tank Temperature Sensor Error Open Short Indoor unit display Cause of problem Hydro Unit Water Tank Temperature Sensor Open Short error o...

Страница 141: ...theEVAIn Outtemperature IsEVAIn Outtemperature maintainbelowzero CheckthecontrolstatusofEEV ChecktheEVAIn Outtemperaturesensor ChecktheWaterIntemperature Yes No Yes No No Yes 4 4 93 Emergency Error Check the Water Piping Equipment Indoor unit display Cause of problem Heating Hot water operation of xxx Hydro Unit There is no change in the water temperature Criteria More than 2 hours Heating Hot wat...

Страница 142: ...ttemperature maintainbelowzero CheckthecontrolstatusofEEV ChecktheEVAIn Outtemperaturesensor ChecktheWaterIntemperature Yes No Yes No No Yes 4 4 94 Error to prevention from freezing and bursting of Heat Exchanger Indoor unit display Cause of problem Repeats six times Low Heat Exchanger internal temperature of xxx Hydro Unit Low flow Low water temperature Criteria Water Out temperature is less than...

Страница 143: ...ngeofWaterOut Complete ChecktheoperateabnormallyofOutdoorUnit Checktherefrigerantclogging Sensordefective Replacesensor Reconnectthesensorand reinstallthesensorholder Temperature Resistance KΩ Yes No Yes Yes No No 4 4 95 Breakaway of Water Out temperature sensor Indoor unit display Cause of problem Water Out temperature sensor breakaway of xxx Hydro Unit Criteria Water Out temperature before and a...

Страница 144: ... atleasttherecommendedflow Checkthepipingsystemofcirculationwater Pumpoperation Strainerclogging ReplacePCBandthenrestartit Yes No Yes Yes No No 4 4 96 Breakaway of Flow switch Indoor unit display Cause of problem Repeats six times Does not detect the signal of xxx Hydro Unit Flow Switch Flow shortage of Water piping system Criteria Output status from Pump signal Does not detect the signal of Flow...

Страница 145: ...tingwiringhasbeen duplicatestoeachThermostat Cooling Heating 19 20 21 22 C N H N 230V Themostat Cooling Heating Yes No 4 4 97 Thermostat Wiring Error Indoor unit display Cause of problem Thermostat wiring error of xxx Hydro Unit Criteria Heating Cooling signal of Thermostat at the same time input Outdoor unit display XXX xxx Address of Indoor Unit that error occurred 1 Inspection Method ...

Страница 146: ...rol kit PBA defective Criteria Refer to the judgment method below Outdoor unit display XXX xxx Address of Indoor Unit that error occurred 4 4 98 DC FAN Motor Feedback Error 1 Inspection Method ReplaceDCFanMotor Checktheconnectionwire No Yes Yes Didyouchecktheconnectionwire ReplaceControlKitPBA No Yes ControlKitPBACN808 DC FAN 1 3PinoutputDC12V PowerOn ...

Страница 147: ...or unit display XXX xxx Address of Indoor Unit that error occurred 4 4 99 Water Tank Sensor defective 1 Inspection Method Replace the indoor PCB instal l option reset No Yes Yes istheseries5optionsetproperly Reconnection to terminal block HT terminal block 3 4 HE terminal block 7 8 No Yes Isthehotwatertanktemperaturesensorcable connectedcorrectly Power On ...

Страница 148: ...it 5 1 1 Wind free 4way cassette type mini 4way cassette Main PBA AM045 056 071 090 112 128 140NN4DEH AM015 022 028 036 045 056 060NNNDEH AM009 012 018 024 036 048NN4DCH AM005 007 009 012 018 020NNNDCH 1 2 3 4 5 6 8 10 9 7 25 24 23 21 22 18 17 13 15 16 14 19 20 12 11 ...

Страница 149: ... TEMPERATURE SNESOR 6 GND 1 GND 3 DC5V 4 EEPROM_SELECT 5 EEPROM_SO 6 EEPROM_SI 7 EEPROM_CLK 1 DC12V 2 5 LOUVER CHECK 1 F S SIGNAL 2 GND 1 D P POWER DC12V 2 GND 1 DC12V 2 VENT CONTROL SIGNAL 1 4 EEV CHECK 5 DC12V 6 DC12V 1 DC12V 2 CLEAN PANEL COMMUNICAITON TXD 3 CLEAN PANEL COMMUNICAITON RXD 4 GND 1 COM1 F1 2 COM1 F2 3 V1 DC12V 4 V2 GND 5 COM2 F3 6 COM2 F4 TB101 AC POWER CN101 GND CN701 BLDC MOTOR ...

Страница 150: ...6 LED_Filter 7 8 Remocon Signal Out 9 Panel Select 10 Remocon signal In 11 GND 12 DC5V 13 CN01 DISPLAY Wind free 4way cassette type mini 4way cassette Cont Display PBA AM045 056 071 090 112 128 140NN4DEH AM015 022 028 036 045 056 060NNNDEH AM009 012 018 024 036 048NN4DCH AM005 007 009 012 018 020NNNDCH 1 ...

Страница 151: ...es only to the indoor unit 2 Symbols show as follow BLK black RED red BLU blue WHT white YEL yellow BRN brown SKY sky blue GRN green 3 For connection wiring indoor outdoor transmissioin F1 F2 indoor wired remote controller transmission F3 F4 4 Protective earth SCREW F100 FUSE EEV Electronic expansion valve EVA IN 10K Thermistor EVA IN 10K M BLDC Motor IDU fan SPI S Plasma ion EVA OUT 10K Thermisto...

Страница 152: ...OOR MOUNTING P FAC V RAC A3050 EEV Q RAC ANEO FORTE EEV T RAC NEO FORTE EEV D RAC DOMESTIC R RAC MALDIVE A RAC A3050 7 RAC Crystal U AIR HANDING UNIT Z AIR HANDING UNIT WITH FRESH Y HYDRO UNIT wall B HYDRO UNIT floor X HYDRO UNIT TANK W WATER TANK K FLAT CEILNG TYPE _VTL S STAND EXPOSURE TYPE _VTL Feature D DELUXE F FLAGSHIP G EHS CASCADE EEV P PREMIUM RatingVoltage A A 115V 60hz 1φ B B 220V 60Hz ...

Страница 153: ...way CST 1N Middle size 1 way 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 W White 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 ...

Страница 154: ...at the low pressure is 12 2kg cm2 g 4 If the low pressure goes below around 2kg cm2 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...

Страница 155: ...the 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...

Страница 156: ... is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd FEBRUARY 2018 Printed in Korea Code No AC 00211E_1 ...

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