Coleman Heat Pump Troubleshooting

Here is the list of possible problems you may encounter using your Coleman heat pump. If you do not know what to do with in case heat pump not working, take a look and find the cause of your problem.

There may be different causes of heat pump not cooling. For example, the heat pump fan not spinning fast enough or having stopped completely. The reasons of breakdowns may be various and special for every model.

The detailed descriptions can help you investigate your heat pump and find the key of the problem, and, if it is not complicated to solve, fix the situation. If you see that the cause is beyond your capacity, call the specialist to repair your Coleman heat pump.

Coleman Heat Pump Troubleshooting

ProblemCause
The unit is totally inoperative.- No power supply.
- Main switch is off.
- Power supply voltage is insufficient.
- START/STOP set to STOP.
- Control system failure.
The unit goes off after start-up.- Condensing unit air intake our outlet obstructed.
- Irregular operation of control circuit.
- Outdoor temperature is above 43° C in cooling mode.
Does not cool sufficiently.- Dirty air filter.
- Too many heat sources in the room.
- Doors or windows open.
- Air intake or outlet obstructed.
- Temperature selected is too high.
- Refrigerant leak.
- Problems with the temperature sensor.
Does not heat sufficiently.- Dirty air filter.
- Doors or windows open.
- Air intake or outlet obstructed.
- Temperature selected is too high.
- Refrigerant leak.
- Outdoor temperature is below -5° C.
- Irregular operation of control circuit.
Indoor fan inoperative in heat mode.- Pipe sensor in wrong position.
- Pipe sensor is cut off.
- Pipe sensor cable cut.
- Current leak in electric condenser.