Service Manual
Table Of Contents
- Cover
- Table of contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Refrigerant Circuit
- Part 5 Functions and Control
- Part 6 Test Operation and Field Settings
- Part 7 Remote Controller
- Part 8 Troubleshooting
- 1. Troubleshooting with LED
- 2. Service Diagnosis
- 3. Error Codes and Description
- 4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
- 5. Troubleshooting for FFQ Series
- 6. Troubleshooting for Branch Provider (BP) Unit
- 7. Troubleshooting for Outdoor Unit
- 8. Thermistor Resistance/Temperature Characteristics
- 9. Pressure Sensor
- 10. Method of Replacing Inverter’s Power Transistors Modules
- Part 9 Appendix
Troubleshooting for FFQ Series SiUS181631EA
214 Troubleshooting
5.7 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 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
Note: To delete the record of error codes, press ON/OFF button 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
(R24004)
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.