Status
Algorithms default.
Description
The UODC controller cannot detect the presence of the discharge temperature sensor.
Expected Operation
System will not operate.
Cause
The sensor is not connected or that the sensor or sensor wiring or connector is failed, disconnected or broken.
Solution
1. Ensure that sensor is properly connected to the:
- Universal UODC controller (Regal Beloit Hybrid Systems only).
- Compressor Drive (Copeland Variable-Speed Systems only).
2. Replace sensor.
3. Replace UODC controller (Regal Beloit Hybrid Systems only).
4. Replace Drive (Copeland Variable-Speed Systems only).