Troubleshooting for FDMQ Series SiUS091601EA
145 Part 6 Service Diagnosis
6.7 Remote Controller Thermistor Abnormality
Error Code CJ
Method of Error
Detection
Even if remote controller thermistor is faulty, system is possible to operate by system thermistor.
Malfunction detection is carried out by the temperature detected by the remote controller
thermistor.
Error Decision
Conditions
The remote controller thermistor is disconnected or shorted while the unit is running.
Supposed
Causes
Defective room temperature thermistor in the wired remote controller
Defective wired remote controller PCB
External factor such as noise
Troubleshooting
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.
Replace the remote
controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
NO
YES
(R23951)
Is
CJ displayed on
the remote controller
again?
Delete the record of error
codes. (Refer to Note)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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