Samsung Air Conditioners Error Codes
101 Indoor unit communication error – check wiring
102 Indoor/outdoor unit communication time our error
201 Indoor unit is not connected
203 Communication error between outdoor main PCB and Inverter
121 Indoor temp. sensor (open/short) – check and replaced if required
122 Indoor unit pipe in sensor (open/short) – check and replaced if required
128 Indoor unit pipe in sensor separation
221 Outdoor temp. sensor error (open/short) – check and replaced if required
237 COND temp. sensor error (open/short) – check and replaced if required
260 Inverter compressor discharge temp. sensor error (open/short)
153 Indoor float switch error
460 Outdoor unit-indoor unit communication error
554 Outdoor unit refrigerant leakage (gas leak)
458 Outdoor unit fan error
461 Inverter compressor start failure
464 Inverter DC PEAK Error
466 Inverter DC LINK Voltage 150V below, 410V Over
467 Inverter compressor rotation error
468 Inverter current sensor error
469 Inverter DC LINK sensor error
471 Inverter EEPROM read/write error
472 Inverter error
556 Outdoor unit capacity setup option error
601 Wired liquid crystal – indoor unit comm. error
602 Master wired liquid crystal – slave liquid crystal comm. error
603 Wired liquid crystal COM1/COM2 cross error
604 Error of setting option for wired remote controller COM2
