Samsung AM072BXV Series Service Manual page 82

Troubleshooting
4-2 Service Operation (cont.)
4-2-3 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.)
■ Diagnosis and Adjustment (Error Code)
► Error code related to the Communications / Settings / HW (cont.)
Error mode
E-447 Motor wire of Fan1 is not connected
E-448 Lock error on Fan1
E-452 Error due to ZPC detection circuit problem or power failure
E-453 Error due to overheated motor of outdoor unit's Fan1
E-454 Error due to the outdoor unit fan RPM
E-455 Error due to the over heat Fan1 IPM
E-457 Outdoor unit Reversed direction of the wind Error
E-461 Error due to operation failure of inverter compressor 1
E-462 Compressor stop due to full current control
E-464 Error due to over-current of inverter compressor 1
E-465 Overload error of inverter compressor 1
E-466 Error due to over voltage /low voltage of Inverter PBA1
E-467 Error due to unconnected wire of compressor 1
E-468 Output current sensor error of inverter PBA1
E-469 DC voltage sensor error of inver PBA1
E-471 Error due to an abnormal EEPROM of inverter 1
E-474 Heat sink temperature sensor error of inverter PBA1
E-478 Error due to overcurrent of Fan1
E-485 Error due to input current of inverter 1
E-486 Error due to over voltage/low voltage of Fan
E-487 Hall IC connection error of Fan1/Two motor parameter difference error
E-489 Overload error of Fan1
E-491 Error due to an abnormal EEPROM of Fan1
E-493 Output current sensor error of Fan1
E-496 DC voltage sensor error of Fan1
E-499 Heat sink temperature sensor error of Fan1
E-500 Error due to overheat caused by contact failure on IPM of Inverter PBA1
E-503 Error due to alert the user to check if the service valve is closed
E-504 Error due to self diagnosis of compressor operation
E-505 Error due to self diagnosis of high pressure sensor
E-506 Error due to self diagnosis of low pressure sensor
E-554 Leakage of refrigerant (In case the refrigerant is leaked)
Outdoor unit's option switch setting error (Using E2P option of other models or emergency operation for
E-560
compressor malfunction option setting was enabled on all compressors of corresponding outdoor unit )
E-563 Error due to module installation of indoor unit with old version (Micom version needs to be checked)
E-573 Error due to using single type outdoor unit in a module installation
E-574 Leakage of refrigerant(In case the amount of refrigerant charge is insufficient or the refrigerant is leaked)
E-702 Error due to closed EEV of indoor unit (1st detection)
E-703 Error due to opened EEV of indoor unit (1st detection)
E-901 EHS water in sensor(Short or Open)
E-902 EHS water out sensor(Short or Open)
Samsung Electronics
Cause
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