SiEBE18-526 List of Malfunction CodeTroubleshooting 2553. List of Malfunction Code9: Blink 8: ON 7: OFFMalfunctioncodeMalfunction contents Page ReferredRA IndoorUnitSkyAirIndoor UnitBP Unit OutdoorUnitIndoorUnit A0 Error of external protection device — — — —A1 PC board defect, E2 PROM defect 257 268 — —A3 Malfunction of drain level control system (33H) — 269 — —A5 Freeze-up protection or high pressure control 258 — — —A6 Fan motor (MF) lock, overload 260, 261 272, 273 — —A7 Malfunction of swing flap motor (MA) — 275 — —A9 Malfunction of electronic expansion valve (20E) — — 287 —AF Drain pump error — 271 — —AJ Malfunction of capacity setting — 277 — —C4 Malfunction of thermistor (R2T) for heat exchanger(loose connection, disconnection, short circuit,failure)263 278 — —C5 Malfunction of thermistor (R3T) for heat exchanger(loose connection, disconnection, short circuit,failure)— 279 — —C7 Shutter drive motor / shutter limit switch abnormality 264 — — —C9 Malfunction of thermistor (R1T) for air inlet (looseconnection, disconnection, short circuit, failure) 263 280 — —CA Malfunction of thermistor for air outlet (looseconnection, disconnection, short circuit, failure) — — — —CJ Malfunction of thermostat sensor in remote controller — 281 — —OutdoorUnitE1 PC board defect, E2 PROM defect — — — 294E2 Faulty BP unit PCB — — 288 —E3 Actuation of high pressure switch — — — 295E4 Actuation of low pressure switch — — — 296E5 Compressor motor lock — — — 297E6 Standard compressor lock or over current — — — —E7 Malfunction of outdoor unit fan motor — — — 298E9 Malfunction of moving part of electronic expansionvalve (Y1E~2E) — — — 299F3 Abnormal discharge pipe temperature — — — 300F6 Refrigerant overcharged — — — —H3 Malfunction of high pressure switch — — — —H4 Actuation of low pressure switch — — — —H7 Abnormal outdoor fan motor signal — — — —H9 Malfunction of thermistor (R1T) for outdoor air (looseconnection, disconnection, short circuit, failure) — — — 301J0 Faulty BP liquid or gas pipe thermistor — — 289 —J2 Current sensor malfunction — — — —J3 Malfunction of discharge pipe thermistor (R3T) (looseconnection, disconnection, short circuit, failure)— — — 302J5 Malfunction of thermistor (R2T) for suction pipe(loose connection, disconnection, short circuit,failure)— — — 303J6 Malfunction of thermistor (R4T) for heat exchanger(loose connection, disconnection, short circuit,failure)— — — 304J7 Malfunction of header thermistor — — — —J8 Malfunction of thermistor (R7T) for oil equalizing pipe.(loose connection, disconnection, short circuit,failure)— — — —J9 Malfunction of receiver gas pipe thermistor (R5T) — — — 305JA Malfunction of discharge pipe pressure sensor — — — 306JC Malfunction of suction pipe pressure sensor — — — 307L0 Inverter system error — — — —
