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Troubleshooting Atwood Air Command # AT15028-22 Not Heating Up


What is wrong when you press the furnace button and the furnace will not come on?


Expert Reply:

If Atwood Air Command # AT15028-22 unit does not heat when you are using the controls directly connected to it then you can walk through these troubleshooting options:

- Ensure mode has been switched to heat (check
Green LED)
- Thermostat set point must be above room temperature
- The heat pump will only provide heat in ambient
temperatures above approx. 45°F.
- The furnace must be used as primary heat source in
ambient temperatures below 45°F.
- In very cold conditions the unit will take more time to
start producing warm air

If this doesn't fix it let me know and I can help you troubleshoot further.

expert reply by:
Jon G

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