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 Outdoor Unit SiUS181631EA
258 Troubleshooting
7.29 Address Duplication of Central Remote Controller
Error Code
UC
Method of Error
Detection
The principal indoor unit detects the same address as that of its own on any other indoor unit.
Error Decision
Conditions
The malfunction decision is made as soon as the abnormality is detected.
Supposed
Causes
Address duplication of centralized remote controller
Defective indoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Change the setting so that
the centralized address is not
be duplicated.
Replace the defective indoor
unit PCB (control PCB).
Centralized address is
duplicated?
NO
(R22106)
YES