Samsung AM072BXV Series Service Manual page 81

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-236 Error on COND OUT2 temperature sensor of outdoor unit (Short or Open)
E-246 COND OUT2 sensor is detached
E-327 Error on suction sensor 3 (Short or Open)
E-272 Suction3 temperature sensor is detached from the sensor holder on the pipe
E-355 Error due to overheated IPM of Fan2
E-361 Error due to operation failure of inverter compressor 2
E-364 Error due to over-current of inverter compressor 2
E-365 Overload error of inverter compressor2
E-366 Error due to over voltage /low voltage of inverter PBA2
E-367 Error due to unconnected wire of compressor 2
E-368 Output current sensor error of inverter PBA2
E-369 DC voltage sensor error of inverter PBA2
E-371 Error due to an abnormal EEPROM of inverter2
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 Overload error of Fan2
E-391 Error due to an abnormal EEPROM of Fan2
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
E-441 Cooling mode restriction due to low air 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
Samsung Electronics
Cause
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