Mammoth Heat Pump: D013
Re: Diagnostic Codes / Error Codes / Fault Codes
The control board in these WSHPs has a Green status light.
The light will flash to indicate fault/operating status.
| Flashes | Description |
| On | Normal Operation |
| 1 | High Pressure Switch Fault |
| 2 | Emergency Shutdown Mode |
| 3 | Auxiliary Switch Fault |
| 4 | Condensate Overflow Fault |
| 5 | Brown-out (low voltage) Fault |
| 6 | High Voltage Fault |
To Reset ⇒ Cycle Power to the board or unit