Control Transformer ?


Old 10-13-09, 09:30 AM
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Control Transformer ?

Wondering if its common or not unusual for a control transformer to fail/die? I have a small one incorporated into my wood furnace from my oil furnace. The damper control on the wood furnace stopped working. I checked it and no power going to it from transformer, so I'm assuming the transformer is inop.

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Old 10-13-09, 10:18 AM
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It's not uncommon for any electrical part to fail, especially due to a surge. Transformers are usually pretty reliable though since there's not much to them.

Make sure you test the incoming power to ensure that the transformer is getting power. If the input to the transformer is good, and just no output, then obviously, yes, you'll need a new transformer.
Old 10-14-09, 04:28 AM
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Also, make sure the transformer is of adequate size for the load applied.

It's not a bad idea to have a secondary fuse installed to protect it from overload.
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