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Model reference

Samsung AM056FNJDEH/EU

Air Conditioner

1 document142 error codes13 service modes

Available documentation

Service Manual

  • System Airconditioner Indoor Unit258 pg
    Covers this model
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Error codes (142)

CodeMeaning
E101Indoor unit communication errorE102Communication error between indoor unit and outdoor unit, displayed on indoor…E108Error due to repeated address settingE109Communication address not confirmed.E121Error on indoor room temperature sensor (Short or Open).E122Error on EVA IN sensor of indoor unit (Short or Open).E123Error on EVA OUT sensor of indoor unit (Short or Open).E126Discharge sensor error (Short or Open) on indoor unit.E128EVA IN temperature sensor of indoor unit is detached from EVA IN pipe.E129EVA OUT temperature sensor of indoor unit is detached from EVA OUT pipe.E130Heat exchanger in/out sensors of indoor unit are both detached simultaneously.E135RPM feedback error of indoor unit's cleaning fan.E151Error due to opened EEV of indoor unit (2nd detection)E152Error due to closed EEV of indoor unit (2nd detection)E153Error on floating switch of indoor unit drain pump (2nd detection).E154RPM feedback error of indoor unit fan motor.E161Mixed operation mode errorE162EEPROM error of MICOME163Indoor unit's remote controller option input is incorrect or missing / Outdoor…E164Error due to incompatible indoor unit.E170Error due to confused use of Fahrenheit and Celsius setting in indoor unit.E180Simultaneous opening of cooling/heating MCU SOL valve (1st detection).E181Simultaneous opening of cooling/heating MCU SOL valve (2nd detection).E185Cross wiring error between communication and power cable of indoor unit.E186Connection error or problem on SPI.E190No temperature changes in EVA IN during pipe inspection or temperature changes…E191No temperature changes in EVA OUT during pipe inspection or temperature changes…E198Error due to disconnected thermal fuse of indoor unit.E201Communication error between indoor and outdoor units (installation number…E202Communication error between indoor and outdoor units (communication error on…
View all 142 error codes
E203Communication error between main and sub outdoor units.E205Communication error on all PBA within the outdoor unit C-Box, communication…E206Internal PCB communication error of outdoor unit C-Box (C001=HUB PBA, C002=FAN…E211MCU branch part setup errorE212MCU branch part setup errorE213MCU branch part setup errorE214MCU quantity not set correctly on outdoor unit or two or more MCUs have the…E215Two different MCUs have same address value on the rotary switch.E216MCU port switch is set to On but indoor unit is not installed to that MCU port.E217Indoor unit is connected to a MCU port but the switch on the port is set to Off.E218MCU branch part setup errorE219More indoor units connected than what is actually set up in MCU.E220Error on temperature sensor located on MCU intercooler inlet (Short or Open).E221Error on outdoor temperature sensor of outdoor unit (Short or Open).E231Error on COND OUT temperature sensor of main outdoor unit (Short or Open).E237Error on cond sensor of outdoor unit.E241COND OUT sensor is detached from outdoor unit.E251Error on discharge temperature sensor of compressor 1 (Short or Open).E257Error on discharge temperature sensor of compressor 2 (Short or Open).E262Discharge temperature sensor of compressor 1 is detached from the sensor holder…E263Discharge temperature sensor of compressor 2 is detached from the sensor holder…E265Dislocation error of compressor SUMP temperature (oil temperature) sensor.E266Top sensor of compressor 1 is detached.E267Top sensor of compressor 2 is detached.E269Suction temperature sensor is detached from the sensor holder on the pipe.E276Error on top sensor of compressor 1 (Short or Open).E277Error on top sensor of compressor 2 (Short or Open).E291Refrigerant leakage or error on high pressure sensor (Short or Open).E296Refrigerant leakage or error on low pressure sensor (Short or Open).E301High pressure sensor is detached on outdoor unit.E306Low pressure sensor is detached on outdoor unit.E308Error on suction temperature sensor (Short or Open).E311Error on temperature sensor of double layer pipe/liquid pipe (sub heat…E321Error on EVI (ESC) IN temperature sensor (Short or Open).E322Error on EVI (ESC) OUT temperature sensor (Short or Open).E323Error on suction sensor 2 (Short or Open).E346Error due to operation failure of outdoor Fan2.E347Motor wire of outdoor Fan2 is not connected.E348Lock error on Fan2 of outdoor unit.E353Error due to overheated motor of outdoor unit's Fan2.E355Error due to overheated IPM of Fan2 (IPM internal temperature more than 85°C).E361Error due to operation failure of inverter compressor 2.E364Error due to over-current of inverter compressor 2.E365V-limit error of inverter compressor 2.E366Error due to over voltage/low voltage of inverter PBA2.E367Error due to unconnected wire of compressor 2.E368Output current sensor error of inverter PBA2.E369DC voltage sensor error of inverter PBA2.E374Heat sink temperature sensor error of inverter PBA2.E378Error due to overcurrent of Fan2.E385Error due to input current of inverter 2.E386Over-voltage/low-voltage error of Fan2.E387Hall IC connection error of Fan2.E389V-limit error on Fan2 of compressor.E393Output current sensor error of Fan2.E396DC voltage sensor error of Fan2.E399Heat sink temperature sensor error of Fan2.E400Error due to overheat caused by contact failure on IPM of Inverter PBA2 (IGBT…E403Comp stop due to freeze detection (6th detection).E407Compressor operation stop due to high pressure protection control (high…E410Compressor operation stop due to low pressure protection control or refrigerant…E413Outdoor sump down_1 prevention controlE416Compressor operation stop due to discharge temperature protection control…E425Phase reversal or phase failure on 3-phase outdoor unit wiring (R-S-T-N) or…E428Compressor operation stop due to abnormal compression ratio (high/low pressure…E438EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector…E439Refrigerant leakage errorE440Heating mode restriction due to high outdoor air temperature (prohibit heating…E441Cooling mode restriction due to low outdoor air temperature.E442Refrigerant charging restriction in heating mode when air temperature is over…E443Operation prohibited due to high pressure standard not met before air…E445CCH malfunction and sump sensor miswiring errorE446Error due to operation failure of outdoor Fan1.E447Motor wire of outdoor Fan1 is not connected.E448Lock error on outdoor Fan1.E450Abnormally high temperature on condenser (2nd detection).E451Low pressure switch (2nd detection).E452Error due to ZPC detection circuit problem or power failure (momentary…E453Error due to overheated motor of outdoor unit's Fan1.E455Error due to overheated IPM of Fan1 (IPM internal temperature more than 85°C).E458Compressor excess current errorE461Error due to operation failure of inverter compressor 1.E462Compressor stop due to full current control or error due to low current on CT2.E464Error due to over-current of inverter compressor 1.E465V-limit error of inverter compressor 1.E466Error due to over voltage/low voltage of inverter PBA1.E467Error due to unconnected wire of compressor 1.E468Output current sensor error of inverter PBA1.E469DC voltage sensor error of inverter PBA1.E474Heat sink temperature sensor error of inverter PBA1.E477Liquid compression prevention controlE478Error due to overcurrent of Fan1.E485Error due to input current of inverter 1.E486Error due to over voltage/low voltage of Fan PCB.E487Hall IC error of Fan1.E489V-limit error on Fan1 of compressor.E493Output current sensor error of Fan1.E496DC voltage sensor error of Fan1.E499Heat sink temperature sensor error of Fan1.E500Error due to overheat caused by contact failure on IPM of Inverter PBA1 (IGBT…E503Error due to alert user to check if the service valve is closed.E504Error due to self diagnosis of compressor operation.E505Error due to self diagnosis of high pressure sensor.E506Error due to self diagnosis of low pressure sensor.E554Refrigerant leakage (2nd detection).E559Indoor operation stop due to unconfirmed error on outdoor unit.E560Outdoor unit's option switch setting error (when inappropriate option switch is…E563Error due to module installation of indoor unit with old version (Micom version…E573Error due to using single type outdoor unit in a module installation.E702Error due to closed EEV of indoor unit (1st detection).E703Error due to opened EEV of indoor unit (1st detection).UPTrial operation incompleted (UnPrepared)

Service modes (13)

  • Auto Trial OperationPress and hold K1 Tact Switch once on outdoor unit PCB
  • Commissioning (Trial Operation)Press K2 Tact Switch twice on outdoor unit PCB. For cooling
  • Cooling Pump DownPress K2 Tact Switch 3 times on outdoor unit PCB
  • DC Link Voltage Discharge ModePress K2 Tact Switch 6 times on outdoor unit PCB
  • Forced Defrost OperationPress K2 Tact Switch 7 times on outdoor unit PCB
  • Forced Oil Recovery OperationPress K2 Tact Switch 8 times on outdoor unit PCB. Display shows 'K, C, BLANK, BLANK'. If outdoor…
  • Heating Pump OutPress K1 Tact Switch 3 to 6 times on outdoor unit PCB (3=address 1, 4=address 2, 5=address 3…
  • Indoor Unit Option Setting Mode (Wireless Remote Controller)1
  • Piping Inspection OperationPress K2 Tact Switch 4 times on outdoor unit PCB. Display shows 'K, 8, BLANK, BLANK'. For Heat Pump
  • Refrigerant Amount CheckPress K2 Tact Switch 5 times on outdoor unit PCB
  • Refrigerant Filling Operation (Cooling)Press K2 Tact Switch one time on outdoor unit PCB
  • Refrigerant Filling Operation (Heating)Press K1 Tact Switch one time on outdoor unit PCB
  • Vacuum OperationPress K1 Tact Switch 7 to 11 times on outdoor unit PCB (7=address 1, 8=address 2, 9=address 3…

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

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