List of Malfunction Code SiENBE18-621268 Troubleshooting3. List of Malfunction Code9: Blink 8: ON 7: OFFMalfunctioncode Malfunction contents Page ReferredRA IndoorUnitSkyAirIndoor UnitBP Unit OutdoorUnitIndoorUnitA0 Error of external protection device — — — —A1 PC board defect, E2 PROM defect 270 281 — —A3 Malfunction of drain level control system (33H) — 282 — —A5 Freeze-up protection or high pressure control 271 — — —A6 Fan motor (MF) lock, overload 273, 274 285, 286 — —A7 Malfunction of swing flap motor (MA) — 288 — —A9 Malfunction of electronic expansion valve (20E) — — 300 —AF Drain pump error — 284 — —AJ Malfunction of capacity setting — 290 — —C4 Malfunction of thermistor (R2T) for heat exchanger(loose connection, disconnection, short circuit,failure)276 291 — —C5 Malfunction of thermistor (R3T) for heat exchanger(loose connection, disconnection, short circuit,failure)— 292 — —C7 Shutter drive motor / shutter limit switch abnormality 277 — — —C9 Malfunction of thermistor (R1T) for air inlet (looseconnection, disconnection, short circuit, failure) 276 293 — —CA Malfunction of thermistor for air outlet (looseconnection, disconnection, short circuit, failure) — — — —CJ Malfunction of thermostat sensor in remote control — 294 — —OutdoorUnit E1 PC board defect, E2 PROM defect — — — 307E2 Faulty BP unit PCB — — 301 —E3 Actuation of high pressure switch — — — 308E4 Actuation of low pressure switch — — — 310E5 Compressor motor lock — — — 312E6 Standard compressor lock or over current — — — —E7 Malfunction of outdoor unit fan motor — — — 313E9 Malfunction of moving part of electronic expansionvalve (Y1E~3E)— — — 314F3 Abnormal discharge pipe temperature — — — 316F6 Refrigerant overcharged — — — 317H3 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)— — — 318J0 Faulty BP liquid or gas pipe thermistor — — 302 —J2 Current sensor malfunction — — — —J3 Malfunction of discharge pipe thermistor (R2T) (looseconnection, disconnection, short circuit, failure) — — — 319J5 Malfunction of thermistor (R3T, R5T) for suction pipe(loose connection, disconnection, short circuit,failure)— — — 320J6 Malfunction of thermistor (R4T) for heat exchanger(loose connection, disconnection, short circuit,failure)— — — 321J7 Malfunction of liquid thermistor (R7T) — — — 322J8 Malfunction of thermistor (R7T) for oil equalizing pipe.(loose connection, disconnection, short circuit,failure)— — — —J9 Malfunction of subcooling heat exchanger thermistor(R6T)— — — 323JA Malfunction of discharge pipe pressure sensor — — — 324JC Malfunction of suction pipe pressure sensor — — — 325L0 Inverter system error — — — —
