T114_O Liquid Temp Thermistor Failure
Status
This is a critical fault for RD17AZ, and the unit will shutdown. Operation will be reduced on mid-tier hybrid units.
Description
Heat pump controller has detected a fault on the liquid temperature thermistor circuit. The sensor can no longer reliably be read.
Expected Operation
No operation for RD17AZ units. All other outdoor equipment will operate with reduced functionality.
Cause
Heat pump controller can no longer read the liquid pressure transducer.
Solution
- Check wiring and electrical connectors to the liquid pressure transducer
- Replace the liquid pressure transducer.
- Replace heat-pump control.
