Model reference
Samsung AVXC4H052
Air Conditioner
4 documents61 error codes3 service modes
Available documentation
Service Manual
- LG Samsung AVXC4H072CE Troubleshooting84 pg
- LG Samsung AVXC4H072CE Precaution2 pg
Tech Sheet
- LG Samsung AVXC4H072CE Product Specification36 pg
Wiring Diagram
- Wiring Diagram10 pg
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- Step-by-step diagnostics from the service manual
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Error codes (61)
CodeMeaning
E121Indoor room temperature sensor open/short error due to connector dislocation…E122Indoor heat exchanger EVAP IN sensor open/short error due to connector…E123Indoor heat exchanger EVAP OUT sensor open/short error due to connector…E128Indoor heat exchanger EVAP IN sensor dislocation error.E129Indoor heat exchanger EVAP OUT sensor dislocation error.E130Simultaneous indoor heat exchanger EVAP IN and OUT sensor dislocation error.E135Indoor clean fan rotational frequency feedback error.E151Second opening error of indoor electrically operated valve (EEV).E152Second closing error of indoor electrically operated valve (EEV).E153Indoor floating sensor (float switch) error indicating drain pan overflow or…E154Indoor fan motor errorE162EEPROM errorE163Indoor unit remote controller option input is wrong or not entered.E170Mixed use of Fahrenheit/Celsius setup errorE185Power input error into indoor unit communication lineE186Clean Unit (SPi) feedback error.E201Communication error between indoor and outdoor units during initial trackingE202Communication error among all indoor units.E203Communication error between main and sub outdoor units or between main and sub…E221Outdoor unit temperature sensor error (open/short)E226Outdoor temperature sensor dislocation error.E231COND 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 error.View all 61 error codes
E269SUCTION sensor dislocation error.E271SUMP temperature digital sensor error (open/short)E291High pressure sensor error (open/short)E296Low pressure sensor error (open/short)E307Balance keeping (oil balance valve) sensor errorE308Suction temperature sensor errorE311Liquid pipe temperature sensor errorE312Main cooling solenoid valve open error.E321EVI IN temperature sensor errorE322EVI OUT temperature sensor errorE407Compressor down by high pressure sensor protection controlE410Compressor down by low pressure sensor protection controlE413Protection control by SUMP sensorE416Compressor down by discharge temperatureE4253-phase reverse phase or phase fail detection errorE428Compressor down by compression ratio controlE431Balance keeping valve 1 (oil valve) self-diagnosis errorE438EVI EEV opening error.E440Prohibit heating operation for outdoor temperature over 86°F (30°C).E442Prohibit heat filling mode for outdoor temperature over 59°F (15°C).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 errorE458Over voltage detected in compressor current (CT) sensorE461Low voltage detected in compressor current (CT) sensorE477Liquid compressor protection controlE702First close indoor electrically operated valve error.E703First open indoor electrically operated valve error.
Service modes (3)
- PCB Option Code Input Mode (12-digit codes, e.g. AVXCSH/AVXCMH/AVXC4H/AVXDSH/AVXDUH models)["Step 1
- PCB Option Code Input Mode (AVXWNHC models, 10-digit codes e.g. 660157022E)["Step 1
- PCB Option Code Input Mode (AVXWVHC models, 12-digit codes e.g. 066064-170373)["Step 1
Full entry steps, exit procedures, and test sequences are available in Max.
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