Rheem XE80T10HS45U0 Heat Pump Water Heater Error Codes
XE80T10HS45U0 Error Code Reference
Section titled “XE80T10HS45U0 Error Code Reference”Heat pump + electric backup, 80 gal
| Error Code | Fault Description |
|---|---|
| HP01 | High-pressure switch fault |
| HP02 | Low-pressure switch fault |
| HP03 | Compressor overtemperature protection |
| HP06 | Water outlet thermistor (NTC2) fault |
| HP10 | Communication error between heat pump module and tank controller |