Code Indication on Remote Controller SiBE121021_C
306 Service Diagnosis
4. Code Indication on Remote Controller
4.1 RA Indoor Unit - F(C)TXG, FTXS, ATXS, FVXS, FLK(X)S,
FDK(X)S Series
4.2 SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series
: Error code displays automatically and system stops.
Inspect and repair it.
: In the case of the shaded error codes, “inspection” is not displayed. The system
operates, but be sure to inspect and repair it.
Error Codes Description Reference Page
00
Normal condition —
A1
Indoor unit PCB abnormality 308
A5
Freeze-up protection control or heating peak-cut control 309
A6
Fan motor or related abnormality
DC motor (wall, floor standing) 311
AC motor (duct, floor / ceiling) 313
C4
Indoor heat exchanger thermistor or related abnormality 314
C7
Front panel open / close fault (FTXG and CTXG series) 315
C9
Room temperature thermistor or related abnormality 314
U4
Signal transmission error (between indoor unit and outdoor unit) 316
UA
Unspecified voltage (between indoor unit and outdoor unit) 318
Error Codes Description Reference Page
00
Normal condition —
A1
Indoor unit PCB abnormality 319
A3
Drain water level system abnormality 320
A6
Fan motor or related abnormality 322
A7
Swing motor lock (FHQ series) 324
AF
Drain system abnormality 325
C4
Indoor heat exchanger thermistor or related abnormality 326
C9
Room temperature thermistor or related abnormality 326
CJ
Remote controller thermistor abnormality 328
U5
Signal transmission error (between indoor unit and remote
controller)
329
U8
Signal transmission error (between MAIN remote controller and
SUB remote controller)
330
UA
Field setting abnormality 331
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