Samsung BAC Error Codes

Universal Outdoor Unit Inverter Error Codes

Error Code = 101
Explanation and Checking points = Indoor unit communication error - check wiring

Error Code = 102
Explanation and Checking points = Indoor/outdoor unit communication time our error

Error Code = 201
Explanation and Checking points = Indoor unit is not connected

Error Code = 203
Explanation and Checking points = Communication error between outdoor main PCB and Inverter

Error Code = 121
Explanation and Checking points = Indoor temp. sensor (open/short) - check and replaced if required

Error Code = 122
Explanation and Checking points = Indoor unit pipe in sensor (open/short) - check and replaced if required

Error Code = 128
Explanation and Checking points = Indoor unit pipe in sensor separation

Error Code = 221
Explanation and Checking points = Outdoor temp. sensor error (open/short) - check and replaced if required

Error Code = 237
Explanation and Checking points = COND temp. sensor error (open/short) - check and replaced if required

Error Code = 260
Explanation and Checking points = Inverter compressor discharge temp. sensor error (open/short)

Error Code = 153
Explanation and Checking points = Indoor float switch error

Error Code = 460
Explanation and Checking points = Outdoor unit-indoor unit communication error

Error Code = 554
Explanation and Checking points = Outdoor unit refrigerant leakage (gas leak)

Error Code = 458
Explanation and Checking points = Outdoor unit fan error

Error Code = 461
Explanation and Checking points = Inverter compressor start failure

Error Code = 464
Explanation and Checking points = Inverter DC PEAK Error

Error Code = 466
Explanation and Checking points = Inverter DC LINK Voltage 150V below, 410V Over

Error Code = 467
Explanation and Checking points = Inverter compressor rotation error

Error Code = 468
Explanation and Checking points = Inverter current sensor error

Error Code = 469
Explanation and Checking points = Inverter DC LINK sensor error

Error Code = 471
Explanation and Checking points = Inverter EEPROM read/write error

Error Code = 472
Explanation and Checking points = Inverter error

Error Code = 556
Explanation and Checking points = Outdoor unit capacity setup option error

Error Code = 601
Explanation and Checking points = Wired liquid crystal - indoor unit comm. error

Error Code = 602
Explanation and Checking points = Master wired liquid crystal - slave liquid crystal comm. error

Error Code = 603
Explanation and Checking points = Wired liquid crystal COM1/COM2 cross error

Error Code = 604
Explanation and Checking points = Error of setting option for wired remote controller COM2

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