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BFL13's avatar
BFL13
Explorer II
Mar 07, 2019

Atwood 8531-II Intermittent Burner Question( Photos Added)

Furnace works properly starting and stopping with thermostat operation. Problem is when on for a few minutes and warming the RV up, the burner quits and restarts after about a minute or less whil...
dougrainer's avatar
dougrainer
Nomad
Mar 07, 2019
1. Burner runs a few minutes cuts off then comes back on points to a hi limit switch
2. Inadequate hot air exhaust ducts or partially blocked ducts which will cause the Hi Limit to cut on and off.
3. If you replace the Hi limit and it still does it and duct work is open and no crushed ducts then the Main control module is bad. Doug

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