Troubleshooting by Indication on the Remote Controller
SiUS28-902_B
104
Service Diagnosis
3.13 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. (Note:)
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
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.
Refer to “Thermistor Resistance / Temperature Characteristics” table on P.161.
Is "
CJ
"
displayed on the remote
controller?
Clear the error code history.
(
W
hile in inspection mode,
press and hold the “O
N
/OFF”
bu
tton for a period of 4
seconds or more.)
YES
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
the connector or parts may
b
e damaged.
N
O
Replace the remote
controller.
External factor other than
e
qu
ipment error.
(for example, noise etc.)