Model reference
Samsung AVXCSH023
Air Conditioner
4 documents136 error codes5 service modes
Available documentation
Service Manual
- LG Samsung RD075VRXFA Troubleshooting122 pg
- LG Samsung AVXWNH072CE ND052CHXCB ND072CHXCB Troubleshooting122 pg
Tech Sheet
- LG Samsung AVXWNH072CE ND052CHXCB ND072CHXCB Product Specification54 pg
Wiring Diagram
- LG Samsung RD075VRXFA Wiring Diagram16 pg
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Diagnose your Samsung AVXCSH023.
- Step-by-step diagnostics from the service manual
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Error codes (136)
CodeMeaning
121Indoor unit room temperature sensor error (Open/Short)122Indoor unit heat exchanger IN sensor error (Open/Short)123Indoor unit heat exchanger OUT sensor error (Open/Short)128Indoor unit heat exchanger IN sensor dislocation error.129Indoor unit heat exchanger OUT sensor dislocation error.130Simultaneous indoor unit heat exchanger IN and OUT sensor dislocation error.135Indoor clean fan rotational frequency feedback error.1512nd opening error of indoor electrically operated valve (EEV).1522nd closing error of indoor electrically operated valve (EEV).153Indoor floating sensor error (drain pump float switch detection).154Indoor fan motor error161Mixed operation error162EEPROM error163Indoor unit remote controller option input is wrong or not entered (EEPROM…170Mixed use of Fahrenheit/Celsius setup185Power input error into indoor unit communication line186Clean Unit (SPi) feedback error.201Communication error between indoor and outdoor units after completing initial…202Communication error among all indoor units.203Communication error between main and sub outdoor units or between main and sub…221Outdoor unit temperature sensor error (Open/Short)226Outdoor temperature sensor dislocation error.231COND OUT main temperature sensor error (Open/Short)241Outdoor COND OUT temperature sensor dislocation error.246Outdoor COND OUT temperature sensor dislocation error (RD040/050 model).251Digital compressor discharge temperature sensor error (Open/Short)257Fixed scroll compressor 2 discharge temperature sensor error (Open/Short)258Fixed scroll compressor 3 discharge temperature sensor error (Open/Short)261Digital compressor discharge temperature sensor dislocation error.263Fixed scroll compressor 2 discharge temperature sensor dislocation error.View all 136 error codes
264Fixed scroll compressor 3 discharge temperature sensor dislocation error.265SUMP sensor dislocation error.269SUCTION sensor dislocation error.271SUMP temperature digital sensor error (Open/Short)291High pressure sensor error (Open/Short)296Low pressure sensor error (Open/Short)307Oil balance valve (balance keeping) temperature sensor error (Open/Short)308Suction temperature sensor error (Open/Short)311Liquid pipe (double pipe) temperature sensor error (Open/Short)312Main cooling solenoid valve open error.320OLP sensor error (Open/Short).321EVI IN temperature sensor error (Open/Short)322EVI OUT temperature sensor error (Open/Short)403Freezing control causes compressor down407Compressor down by high pressure sensor protection control410Compressor down by low pressure sensor protection control413Protection control by SUMP sensor416Compressor down by discharge temperature425Outdoor compression ratio error / 3-phase reverse phase or phase fail detection428Compressor down by compression ratio control431Balance keeping valve 1 (oil valve) self-diagnosis438EVI EEV opening error.440Prohibit heating operation for outdoor temperature over 86F/30C.442Prohibit heat filling mode for outdoor temperature over 59F/15C.443High pressure below the average before cooling452Instant blackout error / outdoor unit power frequency error.453Error by high temperature outdoor fan motor454Outdoor fan RPM error456Outdoor fan over-voltage error457Outdoor fan counter-rotation error458Over-voltage error detected in compressor current sensor461Low-voltage (low-amperage) error detected in compressor current sensor462Current protection control causes compressor down463OLP protection control causes compressor down475Electrical malfunctions of the outdoor machine (fan stuck, poor connection…477Liquid compressor protection control7021st close indoor electrically operated valve error.7031st open indoor electrically operated valve error.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 errorE129Indoor heat exchanger EVAP OUT sensor dislocation errorE130Simultaneous indoor heat exchanger EVAP IN and OUT sensor dislocation error.E135Indoor clean fan rotational frequency feedback error.E1512nd opening error of indoor electrically operated valve (EEV).E1522nd closing error of indoor electrically operated valve (EEV).E153Indoor floating sensor errorE154Indoor fan motor operational errorE161Mixed operation 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 after completing initial…E202Communication error among all indoor units.E203Communication error between main and sub outdoor units or between main and sub…E221Outdoor unit temperature sensor open/short error (over 4.9V or below 0.4V).E226Outdoor temperature sensor dislocation error.E231COND OUT main temperature sensor open/short error (over 4.9V or below 0.4V).E241Outdoor COND OUT temperature sensor dislocation error.E246Outdoor COND OUT temperature sensor dislocation error (RD040/050 model).E251Digital compressor discharge temperature sensor open/short error (over 4.95V or…E257Fixed scroll compressor 2 discharge temperature sensor open/short error (over…E258Fixed scroll compressor 3 discharge temperature sensor open/short error (over…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 error.E271SUMP temperature digital sensor open/short error (over 4.95V or below 0.5V…E291High pressure sensor open/short error (short below 0.4V, open over 4.2V).E296Low pressure sensor open/short error (short below 0.4V, open over 4.2V).E307Oil balance valve temperature sensor open/short errorE308Suction temperature sensor open/short errorE311Liquid pipe (double pipe) temperature sensor open/short errorE312Main cooling solenoid valve open error.E320OLP sensor open/short error.E321EVI IN temperature sensor open/short errorE322EVI OUT temperature sensor open/short errorE403Freezing control causes compressor downE407Compressor down due to high pressure sensor protection control (high pressure…E410Compressor down due to low pressure sensor protection control (below 0.25MPa…E413Protection control by SUMP sensorE416Compressor down due to discharge temperature exceeding 275°F/135°C (or 110°C on…E425Reverse phase or phase fail detection errorE428Compressor down due to compression ratio controlE431Oil balance valve 1 (balance keeping valve) self-diagnosis errorE438EVI EEV opening error.E440Prohibit heating operation for outdoor temperature over 86°F/30°C.E442Prohibit refrigerant filling mode for outdoor temperature over 59°F/15°C.E443High pressure below 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) sensorE462Current protection control causes compressor downE463OLP protection control causes compressor downE475Electrical malfunctions of the outdoor machineE477Liquid compressor protection controlE7021st close indoor electrically operated valve error.E7031st open indoor electrically operated valve error.
Service modes (5)
- PCB Option Code Input Mode (10-digit, e.g., 660157022E, for AVXWNHC/NDN models)["Step 1: Remove batteries from remote control.","Step 2: Press both temperature buttons…
- PCB Option Code Input Mode (10-digit, e.g., 660157022E) for AVXWNHC/NDN models["Step 1
- PCB Option Code Input Mode (12-digit code, e.g., 021E31142285)["Step 1
- PCB Option Code Input Mode (12-digit with dash, e.g., 066064-170373, for AVXWVHC/NDV models)["Step 1: Remove batteries from remote control.","Step 2: Press both temperature buttons…
- PCB Option Code Input Mode (12-digit with dash, e.g., 066064-170373) for AVXWVHC/NDV models["Step 1: Take out the batteries of the remote control.","Step 2: Press both temperature buttons…
Full entry steps, exit procedures, and test sequences are available in Max.
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