Remote Controller Thermistor Abnormality - Daikin REYQ-XA Service Manual

Troubleshooting by Error Code

3.29 Remote Controller Thermistor Abnormality

CJ
Error Code
Applicable
All indoor unit models
Models
Method of Error
Error detection is carried out by temperature detected by the remote controller thermistor.
Detection
Error Decision The remote controller thermistor becomes disconnected or shorted while the unit is running.
∗ Error code is displayed but the system operates continuously.
Conditions
Supposed
Causes
Troubleshooting
∗1. How to delete the history of error codes.
Note:
289
Defective remote controller thermistor
Defective remote controller PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Clear the error code history.
(∗1) (While in inspection mode,
press and hold the ON/OFF
button for a period of 4
seconds or more.)
Is CJ
displayed on the remote
controller?
YES
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?
YES
Press the ON/OFF button for 4 seconds or more while the error code is displayed in the
inspection mode.
NO
NO
NO
NO
SiUS371901E
External factor other than
equipment error.
(for example, noise etc.)
Correct the field setting.
Replace the remote
controller.
Set 10 (20)-6 to 02.
Replace the remote
controller.
Service Diagnosis