Code Indication on Remote Controller SiBE121135_A
167 Service Diagnosis
4. Code Indication on Remote Controller
4.1 RA Indoor Unit
4.2 SA Indoor Unit
: 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.
Note: When there is a possibility of open phase power supply, also check power supply.
Error Codes Description Reference Page
00
Normal condition —
A1
Indoor unit PCB abnormality 170
A5
Freeze-up protection control or heating peak-cut control 172
A6
Fan motor or related abnormality
DC motor (wall, floor standing) 173
AC motor (floor / ceiling, duct) 176
A9
Radiant panel temperature rise, indoor electronic expansion valve
(motor operated valve) abnormality, freeze-up protection control
(FVXG series only)
178
C4
Indoor heat exchanger thermistor or related abnormality 180
C7
Front panel open / close fault (FTXG series only) 181
C9
Room temperature thermistor or related abnormality 180
CE
Radiant panel thermistor or related abnormality (FVXG series
only)
180
U4
Signal transmission error (between indoor unit and outdoor unit) 182
UA
Unspecified voltage (between indoor unit and outdoor unit) 183
Error Codes Description Reference Page
00
Normal condition —
A1
Indoor unit PCB abnormality 184
A3
Drain level control system abnormality 185
A6
Fan motor or related
abnormality (See the Note
below.)
AC motor (FFQ, FHQ, FDBQ) 187
DC motor (FCQG, FBQ35/50C8VEB) 189
DC motor (FBQ60C8VEB) 191
A7
Swing motor lock (FHQ series only) 193
AF
Drain system abnormality 194
C4
Indoor heat exchanger thermistor 1 or related abnormality 195
C5
Indoor heat exchanger thermistor 2 or related abnormality 195
C9
Room temperature thermistor or related abnormality 195
CJ
Remote controller thermistor abnormality 196
U5
Signal transmission error (between indoor unit and remote
controller)
197
U8
Signal transmission error (between MAIN remote controller and
SUB remote controller)
198
UA
Field setting abnormality 199
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