SiBE121135
Code Indication on Remote Controller
Service Diagnosis
267
4. Code Indication on Remote Controller
4.1
RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS,
FDXS Series
4.2
SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series
: Error code displays automatically and system stops.
Inspect and solve the error.
: In the case of the shaded error codes, “inspection” is not displayed. The system
operates, but be sure to inspect and solve the error.
Error Codes
Description
Reference Page
00
Normal condition
—
A1
Indoor unit PCB abnormality
270
A5
Freeze-up protection control or heating peak-cut control
272
A6
Fan motor or related abnormality
DC motor (wall, floor standing)
274
AC motor (floor / ceiling, duct)
277
A9
Radiant panel temperature rise, indoor electronic expansion valve
(motor operated valve) abnormality, freeze-up protection control
(FVXG series only)
278
C4
Indoor heat exchanger thermistor or related abnormality
280
C7
Front panel open / close fault (FTXG series only)
281
C9
Room temperature thermistor or related abnormality
280
CE
Radiant panel thermistor or related abnormality (FVXG series
only)
280
U4
Signal transmission error (between indoor unit and outdoor unit)
282
UA
Unspecified voltage (between indoor unit and outdoor unit)
283
Error Codes
Description
Reference Page
00
Normal condition
—
A1
Indoor unit PCB abnormality
284
A3
Drain water level system abnormality
285
A6
Fan motor or related abnormality
287
A7
Swing motor lock (FHQ series only)
289
AF
Drain system abnormality
290
C4
Indoor heat exchanger thermistor or related abnormality
291
C9
Room temperature thermistor or related abnormality
291
CJ
Remote controller thermistor abnormality
292
U5
Signal transmission error (between indoor unit and remote
controller)
293
U8
Signal transmission error (between MAIN remote controller and
SUB remote controller)
294
UA
Field setting abnormality
295