Troubleshooting by Remote Controller
SiBE281013
116
Service Diagnosis
4.10 Humidity Sensor System Abnormality
Remote
Controller
Display
CC
Applicable
Models
FCQG
Method of Error
Detection
Even if error occurs, operation still continue.
The error is detected by humidity (output voltage) detected by humidity sensor.
Error Decision
Conditions
The error is generated when the humidity sensor becomes disconnected or shorted when the
unit is running.
Supposed
Causes
Defective sensor
Broken wire
External factor (Noise, etc.)
Troubleshooting
Note:
∗
1 To delete the record, the ON/OFF button of the remote controller must be pushed and held for 5 seconds
in the check mode.
∗
2 To display the code, the Inspection/Test Operation button of the remote controller must be pushed and
held in the normal mode.
∗
3 If "
CC
" is displayed even after replacing the humidity sensor PCB assy (A3P) and taking the steps
∗
1 and 2,
replace the indoor PCB assy (A1P).
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
YES
NO
YES
Remove the humidity sensor from the
indoor PCB and insert it again.
It is normal.
(Poor connector contact)
Replace the humidity
sensor PCB assy (A3P).
∗
3
External factor (Noise,
etc.)
Delete the error code record from the
remote controller. (
∗
1)
NO
Does it
function normally?
Error is displayed
again? (
∗
2)
