No B Indoor unit coil outlet temperature sensor(T2B) open circuit or short circuit. No A Indoor unit coil outlet temperature sensor(T2B) open circuit or short circuit. Outdoor fan speed has been out of control (Only for DC fan motor models) Open or short circuit of outdoor temperature sensor (T3、T4、T5) FRESH, SWING, TURBO, or SILENCE features are turned offĬF: when anti-cold air feature is turned onĬommunication malfunction between IPM board and outdoor main board.FRESH, SWING, TURBO, or SILENCE features are turned on. On, Off, cF, dF, SC, FP Display Code Meanings Comfortstar Air Conditioner Display Code Meanings High temperature protection of compressor top. Over voltage or over low voltage protection Out unit low side value temperature sensor (T2B) open circuit or short circuit Outdoor fan speed has been out of control Open circuit or short circuit of compressor discharge temperature sensor T5 Open circuit or short circuit of outdoor ambient temperature sensor T4 Indoor room temperature sensor T1 open circuit or short circuitĮvaporator coil temprerature sensor T2 open circuit or short circuit Comfortstar Air Conditioner Error Codes Error CodesĬommunication malfunction between indoor and outdoor units
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