Samsung AM036NXMDCR Service Manual

Contents

Troubleshooting36Samsung ElectronicsError mode CauseE-218 When there’s at least one or more actual number of indoor unit connection compared to number of indoorunits assigned to MCUE-219 Error on temperature sensor located on MCU intercooler inlet (Short or Open)E-220 Error on temperature sensor located on MCU intercooler outlet (Short or Open)E-221 Error on outdoor temperature sensor of outdoor unit (Short or open)E-231 Error on COND OUT temperature sensor of main outdoor unit (Short or Open)E-241 COND OUT sensor is detachedE-251 Error on discharge temperature sensor of compressor (Short or Open)E-262 Discharge temperature sensor of compressor is detached from the sensor holder on the pipeE-266 Top sensor of compressor is detachedE-269 Suction temperature sensor is detached from the sensor holder on the pipeE-276 Error on top sensor of compressor (Short or Open)E-291 Refrigerant leakage or error on high pressure sensor (Short or Open)E-296 Refrigerant leakage or error on low pressure sensor (Short or Open)E-308 Error on suction temperature sensor (Short or Open)E-311 Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or Open)E-321 Error on EVI (ESC) IN temperature sensor (Short or Open)E-322 Error on EVI (ESC) OUT temperature sensor (Short or Open)E-323 Error on suction sensor 2 (Short or Open)E-407 Compressor operation stop due to high pressure protection controlE-410 Compressor operation stop due to low pressure protection control or refrigerant leakageE-416 Compressor operation stop due to discharge temperature protection controlE-425 Phase reversal or phase failure (3Ø outdoor unit wiring, R-S-T-N ), connection error on 3 phase inputE-428 Compressor operation stop due abnormal compression ratioE-438 EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEVE-439 Error due to refrigerant leakageE-440 Heating mode restriction due to high air temperatureE-441 Cooling mode restriction due to low air temperatureE-442 Refrigerant charing restriction in heating mode when air temperature is over 15 °CE-443 Operation prohibited due to low pressureE-446 Error due to operation failure of Fan1E-447 Motor wire of Fan1 is not connectedE-458 Lock error on Fan1E-461 Error due to operation failure of inverter compressorE-462 Compressor stop due to full current control or error due to low currentE-464 Error due to over-current of inverter compressorE-465 V-limit error of inverter compressorE-466 Error due to over voltage /low voltage of inveter PBAE-467 Error due to unconnected wire of compressor 1E-468 Output current sensor error of inverter PBA1E-469 DC voltage sensor error of inver PBA1E-474 IPM Heat sink error of Inverter PBA 1E-475 Iinverter fan 2 Error