Troubleshooting by Remote Controller
SiUS281117
Service Diagnosis
129
2.21 Room Temperature Thermistor in Remote Controller
Abnormality
Remote
Controller
Display
CJ
Applicable
Models
All indoor models
Method of Error
Detection
Error detection is carried out by temperature detected by room temperature thermistor in remote
controller. (
1)
Error Decision
Conditions
When the room temperature thermistor in remote controller 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
External factor (Noise, etc.)
Troubleshooting
Note:
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 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
NO
Replace the remote controller.
External factor other than
equipment error.
(for example, noise etc.)
Error is displayed again.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Caution
