Service Manual

Troubleshooting by Error Codes SiUS281811E
220 Part 6 Service Diagnosis
Note(s)
4.27 Remote Controller Thermistor Abnormality
Error Code CJ
Applicable
Models
All indoor models
Method of Error
Detection
Error detection is carried out by the temperature detected by remote controller thermistor.
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 remote controller thermistor
 Defective remote controller PCB
 External factor (Noise, etc.)
Troubleshooting
YES
YES
Is CJ
displayed on the remote
controller?
Is the field
setting 10(20)-2
correct?
YES
Is a
remote controller
with group control
being used?
YES
Is the field
setting 10(20)-6 set to
02?
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Replace the remote
controller.
Correct the field setting.
External factor other than
equipment error.
(for example, noise etc.)
NO
NO
Replace the remote
controller.
NO
Set 10(20)-6 to 02.
NO
Clear the error code history.
(∗1) (Press and hold the
ON/OFF button for a period of
4 seconds or more.)
1. How to delete the history of error codes.
Press the ON/OFF button for 4 seconds and more while the error code is
displayed.