Humidity Sensor System Abnormality - Daikin RZQG71L9V1 Service Manual

Troubleshooting by Remote Controller

4.10 Humidity Sensor System Abnormality

CC
Remote
Controller
Display
FCQG
Applicable
Models
Even if error occurs, operation still continue.
Method of Error
The error is detected by humidity (output voltage) detected by humidity sensor.
Detection
The error is generated when the humidity sensor becomes disconnected or shorted when the
Error Decision
unit is running.
Conditions
 Defective sensor
Supposed
 Broken wire
Causes
 External factor (Noise, etc.)
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Remove the humidity sensor from the
indoor PCB and insert it again.
Does it
function normally?
NO
Delete the error code record from the
remote controller. (∗1)
Error is displayed
again? (∗2)
NO
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.
CC
*3 If " " is displayed even after replacing the humidity sensor PCB assy (A3P) and taking the steps *1 and 2,
replace the indoor PCB assy (A1P).
132
YES
YES
ESIE15-13C
It is normal.
(Poor connector contact)
Replace the humidity
sensor PCB assy (A3P).
∗3
External factor (Noise,
etc.)
Service Diagnosis