Coleman Model 3400-818

Questions about repairs and parts for Coleman furnaces, air conditioners and heat pumps for manufactured homes. Click here for Coleman parts.

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Dan S
Posts: 1
Joined: Thu Sep 15, 2011 12:56 pm

Greetings,
I have a Coleman Model 3400-818 and recently I noticed that the room that houses the Furnace was very warm ( the furnace had not been on ) I noticed that there was a glow coming from the bottom of the furnace. The heating elements are cycling every few seconds. I do hear clicking before they come on and they only stay on for just a few seconds. The system does work as a hole far as heating the house when I turn the thermostate up. Keeping the breakers off is the only way to not have the elements not cycle. Does this sound like the sequncers are faulty?
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