SiEBE18-526 List of Malfunction Code
Troubleshooting 255
3. List of Malfunction Code
9: Blink 8: ON 7: OFF
Malfunction
code
Malfunction contents Page Referred
RA Indoor
Unit
SkyAir
Indoor Unit
BP Unit Outdoor
Unit
Indoor
Unit
A0 Error of external protection device — — — —
A1 PC board defect, E
2
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 (loose
connection, disconnection, short circuit, failure)
263 280 — —
CA Malfunction of thermistor for air outlet (loose
connection, disconnection, short circuit, failure)
————
CJ Malfunction of thermostat sensor in remote controller — 281 — —
Outdoor
Unit
E1 PC board defect, E
2
PROM defect — — — 294
E2 Faulty BP unit PCB — — 288 —
E3 Actuation of high pressure switch — — — 295
E4 Actuation of low pressure switch — — — 296
E5 Compressor motor lock — — — 297
E6 Standard compressor lock or over current — — — —
E7 Malfunction of outdoor unit fan motor — — — 298
E9 Malfunction of moving part of electronic expansion
valve (Y1E~2E)
———299
F3 Abnormal discharge pipe temperature — — — 300
F6 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 (loose
connection, disconnection, short circuit, failure)
———301
J0 Faulty BP liquid or gas pipe thermistor — — 289 —
J2 Current sensor malfunction — — — —
J3 Malfunction of discharge pipe thermistor (R3T) (loose
connection, disconnection, short circuit, failure)
———302
J5 Malfunction of thermistor (R2T) for suction pipe
(loose connection, disconnection, short circuit,
failure)
———303
J6 Malfunction of thermistor (R4T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
———304
J7 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) — — — 305
JA Malfunction of discharge pipe pressure sensor — — — 306
JC Malfunction of suction pipe pressure sensor — — — 307
L0 Inverter system error — — — —
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