Specifications

SiBE18-821 List of Malfunction Code
Troubleshooting 263
9: Blink 8: ON 7: OFF
Malfunction
code
Malfunction contents Page Referred
RA Indoor
Unit
SkyAir
Indoor Unit
BP Unit Outdoor
Unit
Outdoor
Unit
E1 PC board defect, E
2
PROM defect — — — 301
E2 Faulty BP unit PCB — — 295 —
E3 Actuation of high pressure switch — — — 302
E4 Actuation of low pressure switch — — — 304
E5 Compressor motor lock — — — 306
E6 Standard compressor lock or over current ————
E7 Malfunction of outdoor unit fan motor — — — 307
E9 Malfunction of moving part of electronic expansion
valve (Y1E~3E)
———308
F3 Abnormal discharge pipe temperature — — — 310
F6 Refrigerant overcharged — — — 311
H3Malfunction of high pressure switch ————
H4Actuation of low pressure switch ————
H7Abnormal outdoor fan motor signal ————
H9 Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
———312
J0 Faulty BP liquid or gas pipe thermistor — — 296 —
J2Current sensor malfunction ————
J3 Malfunction of discharge pipe thermistor (R2T) (loose
connection, disconnection, short circuit, failure)
———313
J5 Malfunction of thermistor (R3T, R5T) for suction pipe
(loose connection, disconnection, short circuit,
failure)
———314
J6 Malfunction of thermistor (R4T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
———315
J7 Malfunction of liquid thermistor (R7T) — — — 316
J8 Malfunction of thermistor (R7T) for oil equalizing pipe.
(loose connection, disconnection, short circuit,
failure)
————
J9 Malfunction of subcooling heat exchanger thermistor
(R6T)
———317
JA Malfunction of discharge pipe pressure sensor — — — 318
JC Malfunction of suction pipe pressure sensor — — — 319
L0Inverter system error ————
L1 Malfunction of PC board — — — 320
L4 Malfunction of inverter radiating fin temperature rise — — — 321
L5 Inverter compressor motor grounding, short circuit — — — 322
L8 Inverter current abnormal — — — 323
L9 Inverter start up error — — — 324
LAMalfunction of power unit ————
LC Malfunction of transmission between inverter and
control PC board
———325
P1 High voltage of capacitor in main inverter circuit — — — 326
P4 Malfunction of inverter radiating fin temperature rise
sensor
———327
PJ Faulty combination inverter and fan driver,
Malfunction of capacity setting
———328
The system operates for malfunction codes indicated in black squares, however, be sure to check and repair.