T115_O: EXV Sensor Measurement Error
Status
This is a non-critical fault. Operation will continue with reduced function.
Description
The heat-pump controller has detected an error with the expansion valve controller sensing circuit.
Expected Operation
Operation will continue with reduced operation.
Cause
The heat-pump controller has detected an error with the expansion valve controller sensing circuit.
Solution
- Check wiring and electrical connectors to the electronic expansion valve.
- Replace the electronic expansion valve.
- Replace heat-pump control
