Troubleshooting for FDMQ, FFQ Series
SiUS092230EA
150
Part 6 Service Diagnosis
Note
6.8 Remote
Controller
Thermistor Abnormality
Error Code
CJ
Method of Error
Detection
Even if remote controller thermistor is faulty, system is possible to operate by system thermistor.
Malfunction detection is carried out by the temperature detected by the remote controller
thermistor.
Error Decision
Conditions
The remote controller thermistor is disconnected or shorted while the unit is running.
Supposed
Causes
Defective room temperature thermistor in the wired remote controller
Defective wired remote controller PCB
External factor such as noise
Troubleshooting
To delete the record of error codes, press
ON/OFF
button on the remote controller for 4 seconds or
more while the error code is displayed in the inspection mode.
Replace the remote
controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
NO
YES
(R23951)
Is
CJ
displayed on
the remote controller
again?
Delete the record of error
codes. (Refer to Note)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for RX-W Series
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Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...