Remote Controller Thermistor Abnormality - Daikin RX-W Series Service Manual

Troubleshooting for FDMQ, FFQ Series
6.8

Remote Controller Thermistor Abnormality

CJ
Error Code
Method of Error
Even if remote controller thermistor is faulty, system is possible to operate by system thermistor.
Detection Malfunction detection is carried out by the temperature detected by the remote controller
thermistor.
Error Decision
The remote controller thermistor is disconnected or shorted while the unit is running.
Conditions
Supposed
 Defective room temperature thermistor in the wired remote controller
 Defective wired remote controller PCB
Causes
 External factor such as noise
Troubleshooting
Note
To delete the record of error codes, press ON/OFF button on the remote controller for 4 seconds or
more while the error code is displayed in the inspection mode.
150
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Delete the record of error
codes. (Refer to Note)
Is
CJ displayed on
the remote controller
again?
YES
NO
SiUS092230EA
External factor other than
equipment malfunction.
(for example, noise etc.)
Replace the remote
controller.
Part 6 Service Diagnosis
(R23951)