Samsung AC071MN4PKH Service Manual Download Page 62

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Troubleshooting

4-22

4-3-5 Wired remote controller

- If an error occurs, ( ) icon will be displayed on the wired remote controller.

- Press the Test button to see the error code.

Error mode

Contents

Measure

Product operation in

error condition

Error type

Outdoor unit/

Compressor/Indoor unit

Indoor unit communication
error

Check the communication cable of indoor unit.
Check the DC output voltage at the
communication terminal.

Operation Off

Communication

error

Duplicated address setting
error

Check address setting of Indoor units.

Operation Off

Communication

error

No response error address
from indoor unit

Check indoor unit's quantity setting in outdoor
unit.
Check electriacl connection and setting.

Operation Off

Communication

error

Indoor temperature sensor
(open/short error)

Check indoor unit room temperature sensor.
Check indoor unit PCB connector CN41. (White)

Operation Off

Indoor sensor

error

Indoor unit Eva In sensor
(Open/Short)

Check indoor unit pipe sensor.
Check indoor PCB connector CN41.(White)

Operation Off

Indoor sensor

error

Indoor floating switch
secondary detection

Check indoor unit float sensor.
Check indoor PCB connector CN5. (black)

Operation Off

Self diagnostic

error

Indoor/outdoor
communication error (1
min)

Check the communication connection between
indoor and outdoor units.
Check the power line and communication cable
connection status

Operation Off

Communication

error

Communication error
between indoor/outdoor
INV

MAIN MICOM (1 min)

Check MAIN MICOM .
Check INVERTER MICOM.

Communication

error

Outdoor temperature
sensor error

Check sensor connection status.
Check sensor location.
Check sensor resistance.

Operation Off

Outdoor sensor

error

COND temperature sensor
error

Check sensor connection status.
Check sensor location.
Check sensor resistance.

Operation Off

Outdoor sensor

error

[Inverter] Emission
temperature sensor error

Check sensor connection status.
Check sensor location.
Check sensor resistance.

Operation Off

Outdoor sensor

error

Detection of Indoor
Freezing (when Comp.
Stops)

Check whether the indoor unit air intake is
blocked.
Check the operation of the indoor fan.

Operation Off

Outdoor unit

protection

control error

Protection of Outdoor
Overload (when Comp.
Stops)

Check sensor connection status.
Check sensor location.
Check sensor resistance.

Operation Off

Outdoor unit

protection

control error

Emission temperature
excessively high

No error. (DISCHARGE temperature control)

Outdoor unit

protection

control error

High pressure blockage
error
(Refrigerant completely
Leakage error)

Check whether the outdoor unit service valve is
open.
Check the connection of the pipes.
Check the operation of the EEV.
Check for refrigerant leakage. (Completely
leakage).

Operation Off

Self diagnostic

error

Heating operation blocked

Check the operation setting state.
Check temperature sensor.

Operation Off

Self diagnostic

error

Cooling operation blocked

Check the operation setting state .
Check temperature senso.

Operation Off

Self diagnostic

error

Outdoor fan 1 error

Check input power connection status.
Check the connection status between the motor
and outdoor unit PCB.
Check indoor/outdoor fuse.

Operation Off

Self diagnostic

error

Summary of Contents for AC071MN4PKH

Page 1: ...oubleshooting 5 PCBDiagram 6 WiringDiagram 7 ReferenceSheet CONTENTS SYSTEM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SYSTEMAIRCONDITIONER CIRCULAR CASSETTE SERIES AC071MN4PKH AC090MN4PKH AC100MN4PKH AC120MN4PKH AC140MN4PKH AC090MXADKH AC100MXAD H AC120MXAD H AC140MXAD H ...

Page 2: ...dress MAIN RMC setting 4 13 4 1 5 Settheindoorinstallationoptions Optiontosetfortheinstallationsiteconditions 4 14 4 1 6 Changingtheaddressesandoptionsindividually 4 15 4 2 Model specificoptioncode 4 16 4 3 DiagnosticChecklistago 4 17 4 3 1 Testoperationmodeandcheckmode 4 17 4 3 2 EcoMode PowerSaveMode 4 18 4 3 3 Errorcode indoor 4 19 4 3 4 Errorcode outdoor 4 20 4 3 5 Wiredremotecontroller 4 33 4...

Page 3: ...rrent low voltageerror ErrorCode E466 H WDC_LinkOverVoltageError ErrorCode E483 ACInputVoltageSensorError ErrorCode E488 4 50 4 4 20 Gasleakageerror ErrorCode E554 4 51 4 4 21 Pipeblockageerror ErrorCode E422 4 53 4 4 22 Smartinstallmodewasnotcarriedout ErrorCode E508 4 54 4 4 23 Others 4 56 5 PCBDiagramandPartsList 5 1 5 1 PCBDiagram 5 1 5 1 1 IndoorUnitMainPBA 5 1 5 1 2DisplayPCB 5 3 5 1 3 Outdo...

Page 4: ...acking or short circuit O Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches O Check the status of the components assembly after repair service The status must be the same as before the repair service 1 2 Precautions related to static electricity and PL O The PCB power supply block is susceptible to static electricity Therefore...

Page 5: ...truct end users to separate the batteries from the remote controllers and store them separately when the product is not used for long time Otherwise leakage from the dry cell may cause problems with the remote controller 1 4 Other precautions O The pipes should have no leaks during installation and the compressor must be stopped before removing connecting pipes for pump down work Operating the com...

Page 6: ...endly air conditioner It is eco friendly air conditioner that is certified a RoHS technology as well as realize high effectiveness low noise super power saving Electricity savings through S Inverter System Apply S inverter system that change capacity to 10 160 according to circumstance by one compressor and reduce optimum cooling effect and unnecessary electricity consumption Clearness function of...

Page 7: ...ng w 12 7 15 1 15 1 20 5 20 5 7 1 20 7 Heating W 12 5 14 6 14 6 17 5 17 5 6 3 19 5 7 Noise Indoor Unit dBA C H 48 48 50 50 50 50 50 50 50 50 50 50 51 51 51 51 Outdoor Unit dBA C H 57 59 58 60 58 60 59 61 59 61 59 61 60 62 60 62 Size W H D Net Dimension WxHxD Indoor Unit mm 947 947 365 947 947 365 947 947 365 947 947 365 947 947 365 947 947 365 947 947 365 947 947 365 Outdoor Unit mm 990 990 414 99...

Page 8: ... Mpa 1 4 Mpa Refrigerant Factory charging 3000 3000 3000 3000 3000 3000 3400 3400 Additional refrigerant 50g m 50g m 50g m 50g m 50g m 50g m 50g m 50g m Basic piping length 5 5 5 5 5 5 5 5 Max piping length 50 50 50 50 50 50 75 75 Max level different 30 30 30 30 30 30 30 30 Option code 01007F 19547C 275A64 370040 01007F 19548C 276470 370040 01007F 19548C 276470 370040 01007F 19549D 277882 370040 0...

Page 9: ... 05810A 1 Seal drain ass y DB94 05810F 1 Seal drain ass y DB94 05810G 1 Indoor unit installation manual DB68 05899A 1 USER MANUAL DB68 05918A 1 Drain cap DB63 10355C 3 AC071KX4DKH 4 Standard Outdoor unit Pipe plug DB67 00806A 1 Rubber Leg DB73 20134A AC071KX4DKH DB73 00179A 4 Outdoor unit installation manual DB68 05565A 1 Bolt flange 6009 001435 4 Standard Panel INSTALL MANUAL DB68 05903A 1 ...

Page 10: ...emark Wireless remote controller DB93 15771C 1 Optional Batteries for remote controller specification AAA type 4301 000121 2 Remote controller holder DB61 06607A 1 M4 16 Screw 6002 000581 2 User s manual DB68 05911A 1 2 3 2 Wireless remote controller AR KH00E ...

Page 11: ...e controller MWR WE10N Item Description Code No Q ty Remark Wired remote controller DB93 11251F 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 3 M4 16 Screw 6002 000474 5 User s manual DB68 03732A 1 Installation manual DB68 03716A 1 ...

Page 12: ...ProductSpecifications 2 9 2 3 4 Filter specifications Item Description CodeNo Remark FILTER AIR DB63 03764A ...

Page 13: ...3 1 Item Remark Screw Driver Monkey Spanner 8mm 10mm 13mm M6 M8 Hex Wrench Spanner Torque Wrench 3 Disassembly and Reassembly 3 1 Necessary Tools ...

Page 14: ...the corner 4 places of Panel and separate it 2 Remove the 4 screws from the corner of Panel Use Screw Driver 3 Pull the hook of Panel and then separate the Panel from the Indoor Unit 1 Panel Open type Panel 1 Rotate the outside Panel to counterclockwise direction and then separate it ...

Page 15: ...on 3 Remove the safety clip of Grill inside and then separate the Panel from the Indoor Unit 4 Pull up the Filter from the Grill and separate it 2 Control Box 1 Reomove the 2 screws which is fixed to the Indoor Unit upper part Use Screw Driver 2 Rotate the Guard Fan to counterclockwise direction and separate it ...

Page 16: ...ontrol Box 3 Reomove the 1 screw which is fixed to the Indoor Unit upper part Use Screw Driver 4 Put finger in the PULL marked groove and then pull up the Cover 5 Put finger in the PULL marked groove and then avoids the hook and it opens the Control Box Cover ...

Page 17: ...ctors from the Control Box 7 Remove the ground screw Use Screw Driver 3 Top Cover Drain Pan 1 Remove the 3 screws Use Screw Driver 2 Push the hook and separate the Cover Damage can occur to product in case of use a sharp tool 3 Remove the screw which is fixed to Booster Fan Use Screw Driver ...

Page 18: ...emblyandReassembly 3 6 No Parts Procedure Remark 3 Top Cover Drain Pan 4 Pull the Booster Fan connector and separate the connector 5 Remove the 4 screws Use Screw Driver 6 Push the hook and separate the Cover ...

Page 19: ... Top Cover Drain Pan 7 Remove the screw and separate the Display Cover Use Screw Driver 8 Remove the 2 screws Use Screw Driver 9 Push the hook and separate the Cover 10 Remove the 8 screws Use Screw Driver 11 Separate the Indoor Unit upper part from the Body ...

Page 20: ...embly 3 8 No Parts Procedure Remark 3 Top Cover Drain Pan 12 Remove the 3 screws Use Screw Driver 13 Pull the hook that is on the side and separate the Cover 4 Drain Pump Hose 1 Separate the Drain Hose from the Drain Pump ...

Page 21: ...hex nut which is fixed to top of Fan and separate the Fan from the Motor Use Monkey Spanner 2 Remove the 3 hex nuts which is fixed to Motor and separate the Motor from the Indoor Unit Use Monkey Spanner 6 Temperature Sensor 1 Remove the 6 screws which is fixed to Evaporator and separate the Partition 2 Separates the Temperature Sensor which is fixed to Evaporator Pipe with the fixing clip together...

Page 22: ...racket Use Screw Driver 2 Remove screws which is fixed to Indoor Unit and pull the hook and then separate the Drain Cover Use Screw Driver When assemble be careful with the interference structure of piping projecting part 3 Separate the Evaporator from the Indoor Unit If you remove the Evaporator withbare hands it may injure your hands gloves must be worn ...

Page 23: ...from the Cabinet Front RH and separate it Use Screw Driver 2 Cabinet Upper 1 Remove the 9 screws which is fixed to each side of Cabinet Upper and separate it Use Screw Driver 3 Cabinet Installation Front Part 1 Remove the 1 screw which is fixed to Cabinet Installation Front Part and separate it Use Screw Driver AC090 100 120MXAD H 3 3 OutdoorUnit ...

Page 24: ...Outdoor Unit Guard and separate it 2 Remove the 4 screws which is fixed to Outdoor Unit Guard and separate it Use Screw Driver 5 Cabinet Rear RH 1 Pull out the sensor from the Cabinet Rear RH and separate it 2 Remove the 4 screws which is fixed to each side of Cabinet Rear RH and separate it Use Screw Driver ...

Page 25: ...ocedure Remark 6 Cabinet Installation Rear Part 1 Remove the 1 screw from the Cabinet Installation Rear Part and separate it Use Screw Driver 7 Cabinet Front LF 1 Remove the 10 screws from the Cabinet Front LF and separate it Use Screw Driver ...

Page 26: ...DisassemblyandReassembly 3 14 No Parts Procedure Remark 7 Cabinet Front LF 8 Fan 1 Remove the 2 fixing nuts like the picture on the right side Use Hexagon Wrench Monkey Spanner Hexagon Socket ...

Page 27: ...tor 1 Separate the Fan Propeller 2 Remove the 8 screws which is fixed to Motor Use Screw Driver 3 Separate the Motor Wire connector from the Outdoor Unit Control Part 10 Bracket Motor 1 Remove the 2 screws from the Bracket Motor and separate it Use Screw Driver ...

Page 28: ...eassembly 3 16 No Parts Procedure Remark 11 Control Part 1 Separate the 4 connectors from the Outdoor Unit Control part 2 Remove the 1 screw which is fixed to Control Part Use Screw Driver 3 Separate the Control Part ...

Page 29: ...gerant 2 Remove the 2 screws which is fixed to Service Valve and separate it Use Screw Driver 3 Separate the inlet and outlet pipes by welding torch If you separate the Compressor Heat Exchanger or Pipe please fully discharge refrigerant in the Compressor and then separate the Pipe by welding torch ...

Page 30: ... screws which is fixed to Service Valve and separate it Use Screw Driver 2 Separate the inlet and outlet pipes by welding torch 14 Compressor 1 Remove the 1 fixing nut from the end of Cover and separate it Use Hexagon Wrench Monkey Spanner Hexagon Socket 2 Separate the Felt Compressor ...

Page 31: ...Remove the 3 bolts from the bottom of Compressor like the picture on the right side Use Hexagon Wrench Monkey Spanner Hexagon Socket 15 Condenser Connection Part 1 Remove the 3 screws which is fixed to each side of Condenser Connection Part and separate it Use Screw Driver ...

Page 32: ...y 1 Remove the 2 screws from the Cabinet Front RH and separate it Use Screw Driver 2 Cabinet Upper 1 Remove the 9 screws which is fixed to each side of Cabinet Upper and separate it Use Screw Driver 3 Cabinet Installation Front Part 1 Remove the 1 screw which is fixed to Cabinet Installation Front Part and separate it Use Screw Driver ...

Page 33: ...Outdoor Unit Guard and separate it 2 Remove the 4 screws which is fixed to Outdoor Unit Guard and separate it Use Screw Driver 5 Cabinet Rear RH 1 Pull out the sensor from the Cabinet Rear RH and separate it 2 Remove the 4 screws which is fixed to each side of Cabinet Rear RH and separate it Use Screw Driver ...

Page 34: ...ocedure Remark 6 Cabinet Installation Rear Part 1 Remove the 1 screw from the Cabinet Installation Rear Part and separate it Use Screw Driver 7 Cabinet Front LF 1 Remove the 10 screws from the Cabinet Front LF and separate it Use Screw Driver ...

Page 35: ...DisassemblyandReassembly 3 23 No Parts Procedure Remark 7 Cabinet Front LF 8 Fan 1 Remove the 2 fixing nuts like the picture on the right side Use Hexagon Wrench Monkey Spanner Hexagon Socket ...

Page 36: ...tor 1 Separate the Fan Propeller 2 Remove the 8 screws which is fixed to Motor Use Screw Driver 3 Separate the Motor Wire connector from the Outdoor Unit Control Part 10 Bracket Motor 1 Remove the 2 screws from the Bracket Motor and separate it Use Screw Driver ...

Page 37: ...eassembly 3 25 No Parts Procedure Remark 11 Control Part 1 Separate the 4 connectors from the Outdoor Unit Control part 2 Remove the 1 screw which is fixed to Control Part Use Screw Driver 3 Separate the Control Part ...

Page 38: ... Driver 3 Separate the inlet and outlet pipes by welding torch If you separate the Compressor Heat Exchanger or Pipe please fully discharge refrigerant in the Compressor and then separate the Pipe by welding torch 13 EEV Valve 1 Remove the 2 screws which is fixed to Service Valve and separate it Use Screw Driver 2 Separate the inlet and outlet pipes by welding torch ...

Page 39: ...emove the 1 fixing nut from the end of Cover and separate it Use Hexagon Wrench Monkey Spanner Hexagon Socket 2 Separate the Felt Compressor 3 Remove the 3 bolts from the bottom of Compressor like the picture on the right side Use Hexagon Wrench Monkey Spanner Hexagon Socket ...

Page 40: ...DisassemblyandReassembly 3 28 No Parts Procedure Remark 15 Condenser Connection Part 1 Remove the 3 screws which is fixed to each side of Condenser Connection Part and separate it Use Screw Driver ...

Page 41: ... values t 5IF UPUBM OVNCFS PG BWBJMBCMF PQUJPOT BSF 4 UP 4 t FDBVTF 4 4 4 BOE 4 BSF UIF QBHF PQUJPOT VTFE CZ UIF QSFWJPVT SFNPUF DPOUSPM NPEFMT UIF NPEFT UP set values for these options are skipped automatically t 4FU B EJHJU WBMVF GPS FBDI PQUJPO QBJS JO UIF GPMMPXJOH PSEFS 4 BOE 4 ĺ SEG4 and SEG5 ĺ SEG6 and SEG8 ĺ SEG9 and SEG10 ĺ SEG11 andSEG12 ĺ SEG14 and SEG15 ĺ SEG16 and SEG17 ĺSEG18 and SEG...

Page 42: ... appears on the remote control display b Set the SEG5 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG 4 SEG 5 4 Press the Mode button Dry and On appear on the remote control display 5 Set the SEG6 and SEG8 values a Set the SEG6 value by press...

Page 43: ...pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display b Set the SEG12 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG 11 SEG 12 10 Press the Mode button Auto and Off appear on the remote ...

Page 44: ...d SEG20 values a Set the SEG18 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display b Set the SEG20 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG 18 SEG 20 16 Press the Mode b...

Page 45: ...d SEG24 values a Set the SEG23 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display b Set the SEG24 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG 23 SEG 24 ...

Page 46: ...heoptionvaluesyouhaveset 1 ResettheindoorunitbydisconnectingandthenreconnectingthepowercableoftheindoorunitorbypressingtheRESETbuttononthe outdoorunit 2 Removethebatteriesfromtheremotecontrol insertthemagain andthenpressthe Power buttonontheremotecontrol Step3 Check the option you have set Checkwhethertheoptionvaluesthatyouhavesetarecorrectbypressingthe Mode buttonrepeatedly SEG2 SEG3 SEG4 SEG5 SE...

Page 47: ...G7 SEG8 SEG9 SEG10 SEG11 SEG12 W X SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Y Z On SEG1toSEG12 Off SEG13toSEG24 Enteringthe modeforsetting theoptions Settingthe optionvalues ඖ GG AR KH00Eremotecontrol for360cassetteonly Temperaturebutton Temperaturebutton Modebutton Wheel NO TE The r emote c ontr ol display may vary depending onthe model 1 Enter the mode f or setting...

Page 48: ... counterclockwise until the value you want to set appears on the remote control display b Set the SEG5 value by rotating theWheel clockwise until the value you want to set appears on the remote control display When you rotate the Wheel values appear in the following order SEG 4 SEG 5 4 Press the Mode button Dry and On appear on the remote control display 5 Set the SEG6 and SEG8 values a Set the SE...

Page 49: ...unterclockwise until the value you want to set appears on the remote control display b Set the SEG12 value by rotating theWheel clockwise until the value you want to set appears on the remote control display When you rotate the Wheel values appear in the following order SEG 11 SEG 12 10 Press the Mode button Auto and Off appear on the remote control display 11 Set the SEG14 and SEG15 values a Set ...

Page 50: ...l counterclockwise until the value you want to set appears on the remote control display b Set the SEG20 value by rotating theWheel clockwise until the value you want to set appears on the remote control display When you rotate the Wheel values appear in the following order SEG 18 SEG 20 16 Press the Mode button Fan and Off appear on the remote control display 17Set the SEG21 and SEG22 values a Se...

Page 51: ...et the SEG23 value by rotating theWheel counterclockwise until the value you want to set appears on the remote control display b Set the SEG24 value by rotating theWheel clockwise until the value you want to set appears on the remote control display When you rotate the Wheel values appear in the following order SEG 23 SEG 24 ...

Page 52: ...he button to enter the sub menu setting screen Ź Using the వ buttons select a sub menu number and press the button to enter data setting screen Ź When you enter the setting stage the current setting will be displayed Ź Refer to the chart for data settings Ź Using the వ buttons select the settings Press the button to move to the next setting Ź Press the Set button to save the settings and exit to t...

Page 53: ...LADDRESS 䭓Themainaddressmustbesettoavalueintherange0to3 Ifyousetothervalues communicationerrorwilloccur 䭓IfanyofSEG5andSEG6issettoavalueintherangeAtoF themainaddressoftheindoorunitdoesnotchange 䭓IfSEG3issetto0 theindoorunitmaintainstheexistingmainaddressevenif SEG6issettoanewvalue 䭓IfSEG9isset0 theindoorunitmaintainstheexistingRMCaddressevenifSEG11andSET12aresettonewvalues CAUTION Option SEG1 SEG2...

Page 54: ...tails 2 0 Disuse 0 thermo on 0 Disuse 0 Use of buzzer 2 1000 hours 1 On Off control 1 Operation on 1 Use 1 Disuse of buzzer 6 2000 hours 2 Off control Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Function Page control with remote control Heating setting compensation No function assigned No function assigned Cycle time of Swing Indication and details Indication Details Indication Details Indication D...

Page 55: ...steps in Common steps for setting the addresses and options Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Type of the option to change Tens position of the option number Units position of the option number New value Indication and details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 0 D Option type 0 to F Tens position ...

Page 56: ...0 0 7 F 1 9 5 4 8 C AC120MN4PKH 0 1 0 0 7 F 1 9 5 4 9 D AC140MN4PKH 0 1 1 0 7 F 1 9 5 4 A F Model SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 AC071MN4PKH 2 7 8 C A 0 3 7 0 0 4 0 AC090MN4PKH 2 7 5 A 6 4 3 7 0 0 4 0 AC100MN4PKH 2 7 6 4 7 0 3 7 0 0 4 0 AC120MN4PKH 2 7 7 8 8 2 3 7 0 0 4 0 AC140MN4PKH 2 7 8 C A 0 3 7 0 0 4 0 4 2 Model specific option code ...

Page 57: ...firstplaceof decimals kW 13 Protectivecontrol D 0 Cooling 1 Heating Protectivecontrol 0 NoProtective control 1 Freezing 2 Non stop defrosting 3 Over load 4 Discharge 5 Totalelectric current Frequencystatus 0 Normal 1 Hold 2 Down 3 Up_limit 4 Down_limit 14 Thetemperatureofheatradiatingplate E Hundredsdigit Tensdigit Unitsdigit 15 S Wcheck F Longpush1 Mainmicomversion Year Hex month Hex Date Tensdig...

Page 58: ... EcoModeExit Press K3 to go out from the eco mode At the driving signal or test run cooling heating of the user the mode is released Off AC090 100 120 140MXAD H DIPswitchoptions Off default Off switch 1 Auto address Manual address switch 2 switch 3 Disable snow prevention control Enable snow prevention control switch 4 䭓Snow proofcontrolwhenusingecomode standbymode isnotworking ...

Page 59: ...X X X Open or short circuit error of the indoor t emper atur e sensor X X X Error of the out door unit X X X Communication error between the indoor and outdoor units X X Open or short circuit error of a sensor evaporator in evaporator out or discharge sensor in the indoor unit X X Err or of the fan in the indoor unit X X Err or of the second detection of the float switch X X Open circuit error of ...

Page 60: ... 12 E202 Communication error between indoor unit and outdoor unit When there is no response from indoor units after tracking is completed Check electrical connection and setting between indoor unit and outdoor unit 13 E203 Communication error between outdoor unit inv main micom For PF 4 6 controller error will be determined from the time when compressor is turned on Check electrical connection and...

Page 61: ...32 E467 Error due to abnormal rotation of the compressor or unconnected wire of compressor Check the compressor wire 33 E468 Error on current sensor Short or Open Check the outdoor inverter PBA 34 E469 Error on DC Link voltage sensor Short or Open 1 Check AC Power and DC Link Voltage 2 Check the outdoor inverter PBA 35 E470 Outdoor unit EEPROM Read Write error Option Check the outdoor EEPROM data ...

Page 62: ...OM Check INVERTER MICOM Communication error Outdoor temperature sensor error Check sensor connection status Check sensor location Check sensor resistance Operation Off Outdoor sensor error COND temperature sensor error Check sensor connection status Check sensor location Check sensor resistance Operation Off Outdoor sensor error Inverter Emission temperature sensor error Check sensor connection st...

Page 63: ...ringarecorrect OperationOff Outdoorunit protection controlerror CompressorVlimiterror Checkthecompressorconnectionstatus Checktheresistancebetweendifferencephasesof thecompressor OperationOff Outdoorunit protection controlerror DCLINKover lowvoltage error Checkinputpower CheckACpowerconnection Restartin3minutes Outdoorunit protection controlerror Inverter Compressor rotationerror Checkthecompresso...

Page 64: ...ckthattheindoor outdoorinstallationpipe wiringarecorrect OperationOff Selfdiagnostic error Capacitiesnotmatched Checktheoptioncodeoftheindoorunit OperationOff Outdoorunit protection controlerror Communicationerror betweentheindoorunit andwiredremotecontroller Checktheconnectionwirebetweentheindoorunit andthewiredremotecontroller Normaloperation Wiredremote controller error Communicationerror betwe...

Page 65: ...y connected 4 Check the circuit breaker due to over current or leakage Check whether several units are connected to one breaker Check the power wire between Power PCB and Main PCB DC 1 Make sure that the DC power cable is properly connected to the connector CN100 After replacing the main PBA and resetting the power check everything is normal 1 If the Fuse is defective replace the Fuse or Power PCB...

Page 66: ...PCB connector Indoor temperature sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals Current temperature C Resistance kΩ 40 5 800 35 6 900 30 8 300 25 10 00 20 12 10 15 14 70 10 18 00 5 22 00 0 28 30 5 33 90 10 42 30 Temperaturesensorresistancevalue Indoor unit display 360 Cassette x Ice blue x Yellow green x Blue Red ...

Page 67: ...CB Failure of the indoor heat exchanger temperature sensor replace Remove the indoor heat exchanger temperature sensor connector from the PCB and measure the resistance between two terminals Current temperature C Resistance kΩ 40 5 800 35 6 900 30 8 300 25 10 00 20 12 10 15 14 70 10 18 00 5 22 00 0 28 30 5 33 90 10 42 30 Temperature sensor resistance value Indoor unit display 360 Cassette x Ice bl...

Page 68: ...place it Yes EX DEPENDING ON FAN RPM VOLTAGE OF DC 0V DC 6V IS OUTPUT ײ ײ 1 2 3 4 5 6 Check the normal operation No Is the motor connector CN73 or CN44 disconnected from the PCB Connect the connector to PCB Yes No Is voltage of AC 220V displayed to Motor ļི after operation signal permission of Fan Check the PCB and replace it Yes Check the motor and replace it 1 way cassette model Indoor unit disp...

Page 69: ...mmunication cable connecting the outdoor unit to indoor unit and measure the signal on LINE 2 of the outdoor unit with a scope Reconnect the cable connecting the outdoor unit to the indoor unitand restart the unit If the communication still doesn t work replace the indoor unit PCB Check the communication cable in the outdoor unit PCB and replace the PCB Indoor unit display 360 Cassette x Ice blue ...

Page 70: ... operate when compressor operates Same error occurs again No Is the water level in drain pan decreasing Reset the indoor unit power and check the operation of the drain pump Vibrates when operating Normal operation Replace the indoor unit PCB Reassemble the floating sensor connector and reset the outdoor unit power Indoor unit power reset is required Normal operation Replace the floating sensor wh...

Page 71: ...ent method Refer to checking method as shown below Symptom If the EEPROM component defective EEPROM circuit parts missing damaged soldering failure Restart the system after replacing the PCB No Yes Is state of EEPROM circuit component good Circuit parts missing damaged soldering failure If the error occurs at restart replace PCB ...

Page 72: ...malnoiselikethewhistling fromtheindoorunitinlowwindmode Replaceafanamotor ĺChecknormalstartupĺEndtheservice Is there abnormal noise in the booster fan No Checknormalstartup Replaceafanamotor ĺChecknormalstartupĺEndtheservice Yes Is there abnormal noise in a fan or a motor Yes Yes Booster Fan ...

Page 73: ...after turning off the Main Power Switch Breaker or Power outlet turn on the power Check all power wire connections 1 Check the power of the terminal box 3 phase power phase and wire assembling 2 If the connection is made in the power wire extension of the power wire make sure that it is securely connected 3 Check the circuit breaker due to over current or leakage Check whether several units are co...

Page 74: ...ower parts Switch off power to the Terminal Box before inspection 1 Is there a fault with a fuse Short Normal Open Fault 2 When the bridge diode is measured with output voltage does the voltage exceed 290Vdc 3 Is the power supply voltage 12V 4 Is there a fault with a fuse of EMI PCB Short Normal Open Fault Fan Motor connector after separating and resetting the power check everything is normal Sepa...

Page 75: ...mode Yes Yes Yes 30 seconds after turning off the Main Power Switch Breaker or Power outlet turn on the power Check all power wire connections 1 Check the power of the terminal box 3 phase power phase and wire assembling 2 If the connection is made in the power wire extension of the power wire make sure that it is securely connected 3 Check the circuit breaker due to over current or leakage Check ...

Page 76: ...Checkthepowerparts Switchoffpowertothe TerminalBoxbeforeinspection 1 Isthereafaultwithafuse Short Normal Open Fault 2 Whenthebridgediodeismeasuredwith outputvoltage doesthevoltageexceed290Vdc 3 Isthepowersupplyvoltage12V 4 IsthereafaultwithafuseofEMIPCB Short Normal Open Fault Fan Motor connector after separating and resetting the power check everything is normal Separate the connector after turni...

Page 77: ...nections F1 F2 correctly connected 4 Are the power wire 1 L 2 N correctly assembled Refer to the electrical schematics and the power failure as explained above No Yes Replace the Main PCB of the outdoor unit No Yes Power on 30 seconds after power off Reconnect the communication connector No Yes Continue Check the communication circuit of the Main PCB of the outdoor unit 1 Is there a fault in commu...

Page 78: ...ICMeasuring Port Steady stateMeasuringValue Remark COM1 RED 6 5 0 9kΩ 1 2kΩ Measuringafterseparatingthe communicatio connection 7 5 0 9kΩ 1 2kΩ 8 5 4 7Vdc 5 3Vdc TVS DiodeMeasuring Steady stateMeasuringValue Bothendsofdiode 1kΩorabove Measuring Part CommunicationICMeasuringPart CircuitDiagram ExampleofMeasuring CommunicationIC ExampleofMeasuring TVS Diode Location Measuring Point 5 GND 6 Communica...

Page 79: ...sthereaprobleminthepowerwireconnection betweenMainļEMIPCBoftheoutdoorunit 2 Isthereaprobleminpowerwireconnection betweentheInverterļEMIPCBoftheoutdoorunit 3 Isthefuse Fuse100 ofoutdoorunitInverterPCBnormal Short Normal Open Fault No Yes Poweron30secondsafterpoweroff ReplacetheoutdoorunitinverterorMainPCB 1 IfE203Errorto7 segmentofoutdoorunitMainPCBisdisplayed replacetheInverterPCBandthenoutdooruni...

Page 80: ...nsormeasuringresistance similartothetableontheleft Aftercheckingnormaloperation endtheservice No Yes ReplacetheoutdoorunitPCB ĺPowerONĺAfter confirmingthestateisnormal endtheservice Isthetemperaturesensorconnectorconnected Ex COND sensor outdoorunittemperaturesensormeasuringresistancevaluebytemperature E231 E221 Ex OLPsensor dischargetemperaturesensormeasuringresistancevaluebytemperature E320 E251...

Page 81: ...power Lossphase itwill display andtheairconditionerwillstopoperating 1 CheckthevoltageonL1 R L2 S phase L1 R L3 T phase L2 S L3 T phase 2 Whenthereisanyterminalthatdoesnothavenormalvoltage checktheexternal poweroftheairconditionerandtakeappropriatemeasures 3 If3 phasepowerisnormalcheckthephaseofthepowerwireusing3 phasetester Ifitshowsreversephase changethecurrentpowerwireconnection 4 Aftercompleti...

Page 82: ...xchanger 3 Check the clogging of indoor air inlet part 2 Check procedure 4 4 14 Compressor down due to freezing control Error Code E403 IstheindoorFan Motornormaloperation Isthesensoronindoorheatexchanger displaythetemperaturecorrectly Checkthecloggingofindoorairinletpart ChecktherelevantindoorFan No Yes Yes No Refertoothertemperaturesensorerror sectiontocheckforerror ...

Page 83: ...ect Normal 14Vdc FAN control voltage 16Vdc 3 Is the fan command voltage Normal 2Vdc FAN command voltage 5Vdc Make sure to check after power Off checking normal operation 1 3DC_LinkVoltage betweenDC_linkandGND 280Vdc 360Vdc 4 3DC_Linkvoltage betweenDC15VandGND 14Vdc 16Vdc 5 3FANcommandvoltage betweenfancontrolandGND 2Vdc 5Vdc MeasuringPart DiagnosingPart Valueofgoodproduct 5 YEL 3 BLK resistance be...

Page 84: ...wer reset Yes 1 Replace the compressor If the resistance value between phases of the compressor is different ĺ Power on ĺ Check the normal operation ĺ End the service 2 Reassemble wire If the wire connection of the compressor is wrong ĺ Power on ĺ Check the normal operation ĺ End the service 3 Replace the compressor When loud abnormal noise generates metal cutting or grinding noise or severe vibra...

Page 85: ...ow ĺ Check for disconnections of PCB and COMP 2 Is the terminal in the compressor wire housing firmly assembled 3 Is there any fault of compressor wires in disconnection or cutting Yes Yes Continue After replacing the Inverter PCB of the outdoor unit check for normal startup ĺ End the service E461 E467 Error related EMI outdoor unit Main Indoor unit Main PCB do not replace ĺ This error is related ...

Page 86: ...rmaloperationatrestart ĺEndtheservice 1 Checkforwiredisconnectionrelatedtooutdoorunit InverterPCB 2 Removeobstacleontheinletofoutdoorunitand securethespace 3 Removeobstacleontheoutletofoutdoorunitand securethespace Checkinstallationenvironmentofindoorunit ĺ checkfornormaloperationatrestart ĺEndtheservice 1 Removeobstacleontheinletandsecurethespace 2 Removeobstacleontheoutletandsecurethespace No Is...

Page 87: ...ssor wire single parts 2 Check procedure Yes Outdoor unit installation and environment check ĺ Check for normal operation at restart ĺ End the service 1 Check for wire disconnection related to outdoor unit Inverter PCB 2 Remove obstacle on the inlet of outdoor unit and secure the space Check installation environment of indoor unit ĺ check for normal operation at restart ĺ End the service 1 Remove ...

Page 88: ... the normal operation ĺ End the service 2 Reassemble wire If the wire connection of the compressor is wrong ĺ Power on ĺ Check the normal operation ĺ End the service 3 Replace the compressor When loud abnormal noise generates metal cutting or grinding noise or severe vibration No Check the compressor 1 Are all the resistance values between phases matched U ļ V U ļ W V ļ W 2 Is compressor wiring no...

Page 89: ... Is the terminal in the compressor wire housing firmly assembled 3 Is there any fault of compressor wires in disconnection or cutting Replace the PCB Continue Yes E46 Error related EMI outdoor unit Main Indoor unit Main PCB do not replace ĺ This error is related to the Inverter PCB Not related to the above PCB Ensure that the service valve is open ĺ When the service valve is closed the defects may...

Page 90: ... connected 1 Check the connecting wires between the reactor wire and the Inverter PCB wire of the outdoor unit ĺ Check the normal operation ĺ End the service 2 Replace the reactor ĺ Check the normal operation ĺ End the service No Power OFF Yes Check the reactor and its connecting wires 1 Is the wire between the reactor and the Inverter PCB of the outdoor unit correctlyconnected 2 Is there any faul...

Page 91: ... after power off End the service No Power on 30 seconds after power off 1 Replace the compressor If the resistance value between phases of the compressor is different ĺ Power on ĺ Check the normal operation ĺ End the service 2 Reassemble wire If the wire connection of the compressor is wrong ĺ Power on ĺ Check the normal operation ĺEnd the service 3 Replace the compressor When loud abnormal noise ...

Page 92: ...or Code E554 Cont Open the valve Yes Reconnect the sensor connector No No Is the indoor EVA sensor correctly connected Yes Charge the refrigerant No Is refrigerant charged Replace the inverter PCB Continue Yes Yes Is service valve fully opened ...

Page 93: ...rder Check whether the pipe is empty and open all the service valves on the gas and liquid pipes Modify the piping and connect immediately and then empty the pipes and open the service valves Check the replacement of the EEV body coil and the refrigerant leaking part After that recharge Check the temperature value through S NET etc and then if there is a fault replace and reconnect No No No No Is ...

Page 94: ... 360 Cassette Red lights up E508 2 Enter the smart install mode Enter of the outdoor unit Press for at the same time 5 seconds K 1 K 4 switches Enter of the remote control Press for at the same time 4 seconds Power Set Mode buttons The progress status of installation smart install mode is shown in 00 99 The smart install may take about 10 minutes Model Indoor unit Outdoor unit 360 Cassette It is b...

Page 95: ...While running in the installation smart install mode the system status information may be checked by pressing the K4 switch When pressing the K1 and K4 switches for 5 seconds upon successfully running in the installation smart install mode the system will run the installation smart install mode again When having an error in the installation smart install mode operation in the installation smart in...

Page 96: ... the power is off replace the Inverter PCB 8 OTP error E471 Upload EEPROM to the Main PCB of the outdoor unit 9 Capacity inconsistence error E556 Check the model name between the outdoor and indoor unit and re enter the option code to the indoor unit 10 3 phase power wire disconnection E424 Check for disconnection of the 3 phase open power wire and check the disconnected EMI PBA fuse 11 Outdoor un...

Page 97: ... then horizontally or intermediate or swing operate Type When the existing Booster Fan does not operate replace the Booster Fan Type ཱ If type 1 is not defective Booster Fan Wire 4 Red Wire 3 Black Wire pin voltage When it is more than 2 7V replace the PCB 2 In case of do not operate 3 Booster Fan all Fan Action method horizontally or intermediate or swing set up Type Booster Fan Wire 1 Orange Wir...

Page 98: ...5 1 PCBDiagramandPartsList 5 1 1 Indoor Unit Main PBA 5 PCB Diagram and Parts List 5 1 PCB Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 19 ...

Page 99: ... THERNISTOR 1 DC12V 2 ERRORSIGNALOUTPUT GND 3 DC12V 4 COMP OPER SIGNALOUTPUT GND 1 BUZZER1 2 BUZZER2 3 LED1 4 LED2 5 LED3 6 LED4 7 LED5 8 LED6 9 LED7 10 LED8 1 DC12V 2 COM2_PCTRL_MICOM 3 COM2_VCHECK_A 4 COM2_VCHECK_B 5 COM2_MICOM_AD 6 DC5V 8 COM2_C 9 COM2_D 10 COM2_TXD 11 COM2_RXD 12 GND 1 EVA INTHERMISTOR 2 GND 3 EVA OUTTHERMISTOR 4 GND 5 DISCHARGETHERMIS TRO 6 GND CN810 SPI CN502 DISPLAY CN83 EX...

Page 100: ..._SECTION3 LAYER1 5 VISUALIZATION LED_SECTION3 LAYER2 6 VISUALIZATION LED_SECTION3 LAYER3 CN501 DISPLAY2 1 BUZZER1 2 BUZZER2 3 CENTER 3 COLOR LED BLUE 4 CENTER 3 COLOR LED GREEN 5 CENTER 3 COLOR LED RED 6 CENTER LED ICE BLUE 7 VISUALIZATION LED_SECTION1 LAYER1 8 VISUALIZATION LED_SECTION1 LAYER2 9 VISUALIZATION LED_SECTION1 LAYER3 10 VISUALIZATION LED_SECTION2 LAYER1 1 2 ...

Page 101: ...PCBDiagramandPartsList 5 4 5 1 3 Outdoor PCB Main PCB AC090 100 120 140MXAD H 1 2 3 4 5 6 8 9 10 11 12 ...

Page 102: ...DISCHARGETEMP 6 GND 7 OLPTEMP 8 GND 1 20 DOWNLOAD CN802 EEV CN806 EEPROM CN305 COMM INV CN401 LOW PRESSURE 1 4 EEV SIGNAL 5 6 DC 12V 1 7 EEPROM 1 COMM SIGNAL 2 COMM SIGNAL 3 GND 4 DC 5V 5 DC 12V 6 COMM SIGNAL 1 N C 2 SENSOR SIGNAL 3 GND 4 DC 5V CN402 HIGH PREWSSURE CN303 COMM INDOOR CN103 EARTH 1 SENSOR SIGNAL 2 N C 3 GND 4 DC 5V 1 2 COMM SIGNAL 1 EARTH ...

Page 103: ...PCBDiagramandPartsList 5 6 Outdoor Unit PCB cont PF 4 INVERTER PCB SINGLE PHASE I AC090 100MXADKH 4 1 2 8 3 7 6 5 ...

Page 104: ... 1 RXD_INV 2 TXD_INV 3 BOOT_INV 4 TDO_INV 5 TCK_INV 6 TDI_INV 7 TMS_INV 8 nTRST 9 GND 10 11 5V 14 18 19 ENC 17 GND 20 SUB CN153 SMPS SUB_15V CN152 SMPS SUB CN204 DRED CN207 DISPLAY 1 DC310V 2 N C 3 GND 4 DV15V 5 Fan RPM 6 Fan RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 Fan RPM 6 Fan RPM Feedback CN401 Comp U phase RED CN402 Comp V phase BLU CN403 Comp W phase YEL 1 L Phase BRN 2 N Phase SKY ...

Page 105: ...PCBDiagramandPartsList 5 8 Outdoor Unit PCB cont PF 6 1 INVERTER PCB 3 PHASE I AC100MXADNH 1 2 8 4 6 5 3 7 ...

Page 106: ...DV 5V 5 DV 12V 6 INV SMPS Signal 1 RXD_INV 2 TXD_INV 3 BOOT_INV 4 TDO_INV 5 TCK_INV 6 TDI_INV 7 TMS_INV 8 nTRST 9 GND 10 11 5V 14 18 19 ENC 17 GND 20 SUB CN900 Fan1 CN901 Fan2 CN400 Comp CN101 Reactor 1 DC310V 2 N C 3 GND 4 DV15V 5 Fan RPM 6 Fan RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 Fan RPM 6 Fan RPM Feedback 1 Comp U phase RED 2 Comp V phase BLU 3 Comp W phase YEL 1 2 Reactor ...

Page 107: ...ND 4 DV5V 5 DV12V 6 INV SMPS SIGNAL 1 RXD_INV 7 TMS_INV 2 TXD_INV 8 nTRST 3 BOOT_INV 9 GND 4 TDO_INV 10 11 5V 5 TCK_INV 14 18 19 ENC 6 TDI_INV 17 GND 20 SUB CN901 FAN1 CN911 FAN2 CN401 402 403 Compressor L N 220V Power 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback CN401 Compressor U phase RED CN402 Compressor V phase BLU CN403 C...

Page 108: ...GND 4 DV5V 5 DV12V 6 INV SMPS SIGNAL 1 RXD_INV 7 TMS_INV 2 TXD_INV 8 nTRST 3 BOOT_INV 9 GND 4 TDO_INV 10 11 5V 5 TCK_INV 14 18 19 ENC 6 TDI_INV 17 GND 20 SUB CN901 FAN1 CN911 FAN2 CN401 402 403 Compressor L N 220V Power 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback CN401 Compressor U phase RED CN402 Compressor V phase BLU CN403 ...

Page 109: ...240V 1 RXD 2 TXD 3 GND 4 DV5V 5 DV12V 6 INV SMPS SIGNAL 1 RXD_INV 7 TMS_INV 2 TXD_INV 8 nTRST 3 BOOT_INV 9 GND 4 TDO_INV 10 11 5V 5 TCK_INV 14 18 19 ENC 6 TDI_INV 17 GND 20 SUB CN901 FAN1 CN911 FAN2 CN400 Compressor CN101 Reactor 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback CN401 Compressor U phase RED CN402 Compressor V phase ...

Page 110: ...5 13 PCBDiagramandPartsList Outdoor Unit PCB cont EMI PCB single phase AC090 120 140MXADKH L1 BRN N1 SKY BLU 1 3 AC 220 240V L1 AC Power L phase N1 AC Power N phase CN01 AC Power 1 1 3 2 ...

Page 111: ...BDiagramandPartsList 5 14 Outdoor Unit PCB cont PF 6 Inverter PCB 3 phase AC100 120 140MXADNH R AC 380 400V WHT S AC 380 400V BRN T AC 380 400V BLK 1 3 AC 220 240V RST AC Power 3phase CN100 AC Power 1 1 2 ...

Page 112: ...6 1 WiringDiagram ThisDocumentcannotbeusedwithoutSamsung sauthorization Circular Cassette 6 Wiring Diagram 6 1 Indoor Unit ...

Page 113: ...WiringDiagram 6 2 ThisDocumentcannotbeusedwithoutSamsung sauthorization Single phase PF 4 PF 4 1 PF 5 Schematic Diagram 6 2 Outdoor Unit ...

Page 114: ...6 3 WiringDiagram ThisDocumentcannotbeusedwithoutSamsung sauthorization 3 phase PF 6 PF 6 1 Schematic Diagram ...

Page 115: ...2 UART RS485 Through communication RS232 UART Feature Multiple IDUs update at once Fast update but one by one Accessibility Easy Connect F1 F2 to any IDUs or OUD Difficult Connect UART cable to pcb directly Speed approx 10 min approx 1 min Power Comm Power supplied Normal communication Power must be off Application S net pro 2 S net pro 2 Gman for Non Nasa AC Micom eeprom for Nasa AC Micom eeprom ...

Page 116: ...2 terminal block on ODU F1 F2 connector on ODU s main pcb F1 F2 terminal block on IDU Step 1 Connect S converter to F1 F2 line USB to RS232 cable S Converter TX ĺ F1 TX ĺ F2 Outdoor unit Main PCB Step 2 Execute S net pro 2 and set environment then click connect button Click Connect ...

Page 117: ...bles the engineer to update the SW of indoor outdoor and MCU boards when the S Net Pro2 is in normal communication mode t This feature is applicable in the Live Mode only Step 3 Opening A C Unit SW Update dialog Click Add On in ribbon toolbar Select A C Unit SW Update button when S Net Pro2 is connected to serial port or on replay mode Procedure 1 Select the type of device from the drop down Indoo...

Page 118: ...SWupdate 7 4 How to update the Micom RS485 cont 2 Browse and Select the hex file 3 Select the device from the list of devices and select the address of the device ...

Page 119: ...t of the device browse address list at Documents S NET pro2 Download b On clicking the Add All button will be added to the list 3 1 Manually entering the address of the device can leads to Firmware download failure a To add the address of the device enter value to Device Firmware Update field b On clicking the Add button will be added to the list ...

Page 120: ...d mode will be displayed b The progress bar at the bottom of the can check the progress of your downloads 5 Firmware update failure a Please update manually if Firmware Update CRC values are different error message is displayed b If the firmware update fails disconnect the S Net Pro2 communication and re connect and re add the device manually to proceed ...

Page 121: ... update can be used for SW update of indoor outdoor MCU We need to connect the S Net Pro2 to the device board Download connector through the download cable t S Net Pro2 serial communication should be disconnected If it is on connection please disconnect by Disconnect button in Home ribbon tool bar When it is still connected UART update button is disabled t This feature is applicable in the Disconn...

Page 122: ...SWupdate 7 8 How to update the Micom UART cont 5 Select the download file and Click Start button and then Turn On the S Converter 6 PCB will be updating ...

Page 123: ... t update EEPROM through RS485 communication Step 1 Connect S converter to F1 F2 line USB to RS232 cable S Converter TX ĺ F1 TX ĺ F2 Outdoor unit Main PCB Step 2 Execute S net pro 2 and set environment then click connect button Click Connect ...

Page 124: ...in fact write the EEPROM when the outdoor unit are rare Opening Outdoor EEPROM Write dialog Click Add On in ribbon toolbar Select Outdoor EEPROM Write button Setting configurations 1 To run EEPROM write operation choose address of the outdoor unit 2 Select All To Select the entire outdoor unit 3 1 1 Direct It writes data to all the currently connected outdoor Unit EEPROM when you select the 1 1 Di...

Page 125: ...and insert it to new PCB without EEPROM writing EEPROM data eeprom file S N Auto trail operation result Ref amount check result etc How to write the EEPROM cont Loading a data file and Establishing connection 1 Click Open Option File button to read the source files Src The contents of the file is displayed on the screen and Write Option button is activated Write Option Click Write Option button an...

Page 126: ... 1 1WAYCST CST 2 2WAYCST N MINI4WAYCST 4 4WAYCST H HSPDUCT DUCT M MSPDUCT L LSPDUCT E FRESHAIRINTAKEDUCT G CEILING CONCEILED DUCT C CEILING ETC J CONSOLE F FLOOR MOUNTING RatingVoltage A A 115V 60hz 1Ф B B 220V 60Hz 1Ф C C 208 230V 60Hz D D 200 220V 50Hz E E 220 240V 50Hz F F 208 230V 60Hz 3Ф G G 380 415V 50Hz 3Ф H H 380V 60Hz 3Ф J J 460V 60Hz 3Ф K K 220 240V 50 60Hz 1Ф M M 127V 50Hz N N 380 415V ...

Page 127: ...p CAC S Inv Side LowTemp Q Inv Side TropicalTemp F Inv Top TropicalTemp B NonInv Side GeneralTemp N NonInv Side LowTemp R NonInv Side TropicalTemp Z NonInv Top TropicalTemp Inthecaseof1 1model IndoorUnitseparatoruse 4Wayonly 4 MSPDuctonly M Ceilingonly C RatingVoltage A A 115V 60hz 1Ф B B 220V 60Hz 1Ф C C 208 230V 60Hz D D 200 220V 50Hz E E 220 240V 50Hz F F 208 230V 60Hz 3Ф G G 380 415V 50Hz 3Ф H...

Page 128: ...ssification P Panel ProductType C CST ProductClassification 1N General1WAY CST 1B Big1WAY 2N 2WAY 4N 4WAY 4S MINI4WAY 4R Round PanelVersion 1 2 Domestic A B Export CommunicationType N NASAcommunication Oldcommunication Color B Black E WINE U White V Ivory Language K Korean C Chinese M 8languages E English TYPE A Automaticlift Slide S STANDARD H PREMIUM D 360General N 360ExposedType Global 4Way Pan...

Page 129: ...t evaporates converting from liquid to gas Absorbing heat required for evaporation SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex wrench and it is used for vacuum gas purging coolant injection coolant purging and indoor outdoor unit connection ACCUMULATOR Accumulator prevents the flow of liquid state coolant into the compressor Liquid state coolant flowin...

Page 130: ...pplicable International and or domestic law Samsung Electronics Co Ltd December 2016 Printed in Korea Code No AC 00171E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site XURSH 6 0LGHDVW IULFD JVSQ VDPVXQJFVSRUWDO FRP VLD JVSQ VDPVXQJFVSRUWDO FRP 1RUWK DWLQ PHULFD JVSQ VDPVXQJFVSRUWDO FRP KLQD FKLQD VDPVXQJSRUWDO FRP ...

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Summary of Contents for AC071MN4PKH

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Samsung AC071MN4PKH, Service Manual, Page: 62 / 130

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