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
SiUS181631EA FFQ Series Function
Functions and Control 113
8.11 Other Functions
8.11.1 Signal Receiving Sign
When the indoor unit receives a signal from the remote controller, the unit emits a signal receiving
sound.
8.11.2 Auto-restart Function
If a power failure (even a momentary one) occurs during the operation, the system restarts
automatically in the same conditions as before when the power supply is restored to the conditions
prior to the power failure.
Note: It takes 3 minutes to restart the operation because the 3-minute standby function is activated.
8.11.3 Emergency Operation Switch (With Wireless Remote Controller Kit
BRC082A41W, BRC082A42W(S))
When the remote controller does not work due to battery failure or the absence thereof, use the
emergency operation switch.
Start
Press emergency operation switch.
The unit runs in the previous mode.
The system operates with the previously set airflow direction.
Stop
Press emergency operation switch again.
Emergency operation switch
(R24077)