CH01Temperature sensor (thermistor) faultCH02Pipe (coil) temperature sensor faultCH03Remote control / thermostat errorCH04Condensate drain (float switch) faultCH05Communication error between indoor and outdoor unitsCH06Pipe (coil) temperature sensor faultCH09Memory (EEPROM) errorCH10Fan faultCH21Inverter / compressor drive faultCH29Compressor faultCH32Compressor discharge temperature too highCH34Refrigerant pressure too highCH35Refrigerant pressure too lowCH38Refrigerant shortage or leakCH44Temperature sensor (thermistor) faultCH51Indoor and outdoor units don't matchCH53Communication error between indoor and outdoor unitsCH67Fan fault
Arçelik air conditioner error codes
Full list of Arçelik air conditioner error codes with meanings, common causes and what to do.