Transformer burning out in an Evcon DES 80

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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Joined: Wed Dec 22, 2021 9:29 pm

I have a Coleman Evcon D.E.S. 80, Model # 8975E676, in which the transformer keeps burning out.
Where should I look for a short or other current overload? What are the most likely places/items to be bad?

I'm planning on putting in an in-line fuse holder, with a 3A fuse, to protect the next transformer. Do I put the fuse on the primary or secondary side of the transformer?

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