In the tables below you can find the list of possible troubles which you can encounter using your Heil heat pump. The information given there may be helpful in case of your heat pump not working properly.
The types of defects or breakdowns are various. There are detailed descriptions of possible problems and causes of heat pump not cooling or heat pump fan not spinning. Here you can find some questions which give you the idea what to investigate or to check before addressing to the specialists.
The Heil heat pump flash codes given in the tables and their descriptions are meant to give you the key to the possible problems you have with your heat pump. Do not try to do any repair if you are not a specialist!
| FLASH CODE | FAULT DEFINITION |
|---|---|
| On, No Flash | Standby |
| 1, Pause | Low Stage |
| 2, Pause | High Stage |
| Continuous Flash | Emergency Mode |
| 16 | System Communications Failure |
| 25 | Invalid Model Plug |
| 31 | High Pressure Switch Trip |
| 32 | Low Pressure Switch Trip |
| 45 | Control Fault |
| 46 | Brown out (230V) |
| 47 | No 230v with Call to Run |
| 53 | Outdoor Air Temp Sensor |
| 55 | Coil Temp Sensor |
| 56 | Temp Sensor Range Error |
| 71 | Low Stage Thermal Cutout |
| 72 | High Stage Thermal Cutout |
| 73 | Contactor Shorted |
| 74 | Contactor Open (No 230v to Comp) |
| 81 | Low Stage Thermal Lockout (4 HRS) |
| 82 | High Stage Thermal Lockout (4 HRS) |
| 83 | Low Pressure Lockout (4 HRS) |
| 84 | High Pressure Lockout (4 HRS) |