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Mquintonjr's avatar
Mquintonjr
Explorer
Nov 18, 2016

Furnace blower runs constantly

2011 Coachmen Freedom Express 296REDS furnace is Atwood
My trailer was fed 240v (told it was 120v) and I needed to replace the power converter main board assembly. After doing so the blower on my furnace runs constantly, even if I turn off the breakers. The only way to get it to stop is by pulling the fuse or battery cable. I disconnected the Thermostat and disconnected every wire I could in my control board, it still runs. What could be the problem?
  • What model of Atwood furnace?
    Sounds like the time delay relay. It could be on circuit board or separate.
    If circuit board, recommend Dinosaur electronics replacement.

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