Troubleshooting by Error Code SiUS331604E
165 Service Diagnosis
4.18 Remote Controller Thermistor Abnormality
Error Code CJ
Applicable
Models
All indoor units
Method of Error
Detection
Error detection is carried out by the temperature detected by the remote controller thermistor. (See
note.)
Error Decision
Conditions
When the remote controller thermistor becomes disconnected or shorted while the unit is running.
∗ Error code is displayed but the system operates continuously.
Supposed
Causes
Defective room temperature thermistor in remote controller
Defective remote controller PCB
Troubleshooting
Note: ∗1: How to delete “history of error codes”.
Press the “ON/ OFF” button for 4 seconds and more while the error code is displayed in the
inspection mode.
Clear the error code history.
(While in inspection mode,
press and hold the “ON/OFF”
button for a period of 4
seconds or more.)
YES
Is CJ
displayed on the remote
controller?
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
Replace the remote
controller.
External factor other than
equipment error.
(for example, noise etc.)
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