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
188 Troubleshooting
2.2 FFQ Series
2.2.1 Wired Remote Controller (BRC1E73)
Relations
Between Modes
On power-up, the message Checking the connection. Please standby. will be displayed on the
remote controller screen temporarily and then the basic screen will be displayed. To access a mode
from the basic screen, refer to the figure below.
When any of the operation buttons is pressed, the backlight will come on and remain lit for about 30
seconds. Be sure to press a button while the backlight is on.
Basic screen
Main Menu screen
Service Settings screen
Maintenance Menu screen
Setting
Main Menu
Airflow Direction
Individual Airflow Direction
Ventilation
Schedule
Off Timer
Celsius / Fahrenheit
1/3
Main Menu
• Reset Filter Indicator
• Airflow Direction
• Individual Airflow Direction
• Ventilation
• Schedule
• Off Timer
• Celsius / Fahrenheit
• Filter Auto Clean
• Maintenance Information
• Configuration
• Current Settings
• Clock & Calendar
• Daylight Saving Time
• Language
Press Cancel
button once.
Press
Menu/OK
button once.
Basic Screen
• Operation mode changeover
• Fan speed control
• Menu display
• Confirmation of each setting
• On
• Off
• Cancel
• Operation lamp
Press Cancel button
for 4 seconds or more.
Press Cancel
button once.
Press Cancel button
for 4 seconds or more.
Press Cancel
button once.
Maintenance Menu
• Model Name
• Operation Hours
• Indoor Unit Status
• Outdoor Unit Status
• Forced Defrost
• Error Display
• Swap Unit No.
• Addressed Sensor Value
Service Settings
• Test Operation
• Maintenance Contact
• Field Settings
• Energy Saving Options
• Prohibit Function
• Min Setpoints Differential
• Group Address
• Indoor unit AirNet Address
• Outdoor unit AirNet Address
• Error History
• Indoor Unit Status
• Outdoor Unit Status
• Forced Fan ON
• Switch Main Sub Controller
• Filter Indicator
• Test Filter Auto Clean
• Brush / Filter Ind.
• Disable Filter Auto Clean
(R24620)
+ The items shown on the remote controller are
different depending on the connected indoor unit.