I have a Coleman Presidential Mobil Home furnace that will intermitantly kick off after 10 minutes of operation, at times the burner will be preheating and then the burner will kick off without the fan ever coming on, the residual heat eventually causes the aux limit switch to trip,
(think this is a side effect.) I have had the fan tested and it checks OK. An advice on what to check next would be greatly appreciated, thank you.
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