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Model reference

Samsung ND022LHXEA

Air Conditioner

4 documents76 error codes2 service modes

Available documentation

Service Manual

  • LG Samsung ND022LHXEA Troubleshooting98 pg
    Covers this model

Wiring Diagram

  • LG Samsung ND022LHXEA PCB Diagram38 pg
    Covers this model
  • LG Samsung ND022LHXEA Wiring Diagram18 pg
    Covers this model

Other

  • LG Samsung ND022LHXEA Precaution2 pg
    Covers this model
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Error codes (76)

CodeMeaning
E121Indoor unit room temperature sensor error (Open/Short)E122Indoor unit heat exchanger IN sensor error (Open/Short)E123Indoor unit heat exchanger OUT sensor error (Open/Short)E128Indoor unit heat exchanger IN sensor dislocation errorE129Indoor unit heat exchanger OUT sensor dislocation errorE130Simultaneous indoor heat exchanger IN and OUT sensor dislocation error.E135Indoor clean fan rotational frequency feedback errorE1512nd opening error of indoor electrically operated valve (EEV).E1522nd closing error of indoor electrically operated valve (EEV).E153Indoor floating sensor errorE154Indoor fan motor errorE161Mixed operation errorE162EEPROM errorE163Indoor unit remote controller option input is wrong or not entered.E170Mixed use of Fahrenheit/Celsius setup errorE1801st simultaneous MCU SOL Valve cooling/heating openingE1812nd simultaneous MCU SOL Valve cooling/heating opening.E185Power input error into indoor unit communication lineE186Clean Unit (SPI) feedback errorE190Pipe test errorE191Pipe test errorE201Communication error between indoor and outdoor units after completing initial…E202Communication error among all indoor unitsE203Communication error between main and sub outdoor units or between main and sub…E204Communication error between outdoor units and MCU after completing initial…E210Communication cut-off with MCU for over 2 minutes.E211MCU branch part setup errorE212MCU branch part setup errorE213MCU branch part setup errorE214MCU branch part setup error
View all 76 error codes
E215MCU branch part setup errorE216MCU branch part setup errorE217MCU branch part setup errorE218MCU branch part setup errorE221Outdoor unit temperature sensor error (Open/Short)E226Outdoor temperature sensor dislocation errorE231COND_OUT main temperature sensor error (Open/Short)E241Outdoor COND OUT temperature sensor dislocation error.E251Digital compressor discharge temperature sensor error (Open/Short)E257Fixed scroll compressor 2 discharge temperature sensor error (Open/Short)E258Fixed scroll compressor 3 discharge temperature sensor error (Open/Short)E261Digital compressor discharge temperature sensor dislocation error.E263Fixed scroll compressor 2 discharge temperature sensor dislocation error.E264Fixed scroll compressor 3 discharge temperature sensor dislocation error.E265SUMP sensor dislocation errorE269SUCTION sensor dislocation errorE271SUMP temperature digital sensor error (Open/Short)E291High pressure sensor error (Open/Short)E296Low pressure sensor error (Open/Short)E307Balance keeping (oil valve) sensor errorE308Suction temperature sensor errorE311Liquid pipe temperature sensor errorE312Main Cooling Sol Valve open error.E321EVI IN temperature sensor errorE322EVI OUT connector errorE407Compressor down by high pressure sensor protection controlE410Compressor down by low pressure sensor protection controlE413Protection control by SUMP sensorE416Compressor down by discharge temperatureE425Reverse phase or phase fail detection errorE428Compressor down by compression ratio controlE431Balance keeping valve 1 self-diagnosisE438EVI EEV opening error.E440Prohibition of heating operation when outdoor temperature exceeds 30C.E442Prohibition of heat filling mode when outdoor temperature exceeds 15C.E443High pressure below the average before coolingE452Instant blackout error or outdoor unit power frequency error.E453Error by high temperature in outdoor fan motorE454Outdoor fan RPM errorE456Outdoor fan over-voltage errorE457Outdoor fan counter-rotation errorE458Compressor over-voltage (over-current) errorE461Compressor low-amperage errorE477Liquid compressor protection controlE7021st close indoor electrically operated valve error.E7031st open indoor electrically operated valve error.

Service modes (2)

  • PCB Option Code Input Mode (12-digit code)["Step 1
  • PCB Option Code Input Mode (AVXWVHE/AVXWBHE/AVXWJHE - hyphenated code format)["Step 1: Remove batteries from remote control.","Step 2: Press both temperature buttons…

Full entry steps, exit procedures, and test sequences are available in Max.

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