Troubleshooting
4-44 Samsung Electronics
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Diagnosis and Adjustment (Error Code)
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Error code related to the Communications / Settings / HW
(cont.)
CODE Explanation
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-455 Error due to overheated IPM of Fan1
E-461 Error due to operation failure of inverter compressor 1
E-462 Compressor stop due to full current control or error due to low current on CT2
E-464 Error due to over-current of inverter compressor 1
E-465 V-limit error of inverter compressor 1
E-466 Error due to over voltage /low voltage of inveter 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-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 error of Fan1
E-489 V-limit error on Fan1 of compressor
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-560 Outdoor unit's option switch setting error (when iinappropriate option switch is on)
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-702 Error due to closed EEV of indoor unit (1st detection)
E-703 Error due to opened EEV of indoor unit (1st detection)
UP
Trial operation incompleted (UnPrepared) - It will be cleared when trial operation was executed
for 1 hour or when automatic inspection is completed