Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 General Information
- Part 2 Specifications
- Part 3 Refrigerant Circuit
- Part 4 Function
- Part 5 Test Operation
- Part 6 Troubleshooting
- Part 7 Appendix
- 1. Piping Diagrams
- 2. Wiring Diagrams for Reference
- 3. List of Electrical and Functional Parts
- 4. Option List
- 5. Piping Installation Point
- 6. Example of connection (R-410A Type)
- 7. Thermistor Resistance / Temperature Characteristics
- 8. Pressure Sensor
- 9. Method of Checking the Inverter’s Power Transistors and Diode Modules
- Part 8 Precautions for New Refrigerant (R-410A)
- Index
- Drawings & Flow Charts
Troubleshooting (OP: Unified ON/OFF Controller) Si34-704
298 Troubleshooting
5. Troubleshooting (OP: Unified ON/OFF Controller)
5.1 Operation Lamp Blinks
Remote
Controller
Display
Operation lamp blinks
Applicable
Models
All model of indoor units
Unified ON/OFF controller
Method of
Malfunction
Detection
Detect the malfunction according to DIII-NET transmission data.
Malfunction
Decision
Conditions
Supposed
Causes
Malfunction of transmission between optional central controller and indoor unit
Connector for setting master controller is disconnected
Defect of unified ON/OFF controller PC board
Defect of indoor unit PC board
Malfunction of air conditioner