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
Service Diagnosis SiUS181631EA
192 Troubleshooting
4 Press UP or DOWN button to change the error code upper digit until the indoor unit beeps.
5 Press OPERATION MODE SELECTOR button. The right 0 (lower digit) indication of the
error code blinks.
Step Action
UP button
DOWN button
(R15411)
UP
DOWN
4
5
6
7
8
9
U
P
L
J
F
H
E
C
A
0
If you hear... Then...
2 short beeps The upper digit matches.
1 short beep No digits match.
1 long beep Both upper and lower digits match.
(R24052)
OPERATION MODE
SELECTOR button