Troubleshooting for SA Indoor Unit SiUS121736EA
173 Service Diagnosis
6.8 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
Note: To delete the record of error codes, press ON/OFF button 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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