Troubleshooting
4-12 Samsung Electronics
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Diagnosis and Adjustment (Error Code)
ـ Error code related to the Communications / Settings / HW
(cont.)
Error mode Cause
E-374 Heat sink temperature sensor error of inverter PBA2
E-378 Error due to overcurrent of Fan2
E-383 Error due to over current of Fan2
E-385 Error due to input current of inverter 2
E-386 Over-voltage/low-voltage error of Fan2
E-387 Hall IC connection error of Fan2
E-389 V-limit error on Fan2 of compressor
E-391 Error due to the Fan2 DataFlash
E-393 Output current sensor error of Fan2
E-396 DC voltage sensor error of Fan2
E-399 Heat sink temperature sensor error of Fan2
E-400 Error due to overheat caused by contact failure on IPM of Inverter PBA2
E-407 Compressor operation stop due to high pressure protection control
E-410 Compressor operation stop due to low pressure protection control or refrigerant leakage
E-416 Compressor operation stop due to discharge temperature protection control
E-425 Phase reversal or phase failure (3Ø outdoor unit wiring, R-S-T-N ), connection error on 3 phase input
E-428 Compressor operation stop due abnormal compression ratio
E-435 Flow Switch Error
E-436 Error on the Heat exchanger frost protection
E-438 EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEV
E-439 Error due to refrigerant leakage
E-440
Heating mode restriction due to high air temperature
In case of DVM water, Heating mode restriction due to high water temperature
E-441
Cooling mode restriction due to low air temperature
In case of DVM water, Heating mode restriction due to low water temperature
E-442 Refrigerant charing restriction in heating mode when air temperature is over 15 °C
E-443 Operation prohibited due to low pressure
E-445 CCH is deatched
E-446 Error due to operation failure of Fan1
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 Errordue 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 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
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