355Windmill: Chime Transformer

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Old 08-29-11, 06:53 PM
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355Windmill: Chime Transformer

I installed a second door bell/chime in our hall so we could hear while working on our computer, the instructions said to use a 16v 15va transformer for two units. It came with a 16v 10va, I could only get a 16v 30va which to me should be OK "better", it worked fine for about 2 weeks then one day we heard the bell ring once, no one was at the door the transformer died. What could cause the transformer to blow?
The Bells are "Heath/Zenith tow tone.
 
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Old 08-29-11, 08:04 PM
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Welcome to the forum. Please no Hijacking other posts. I have started one for you this time.

The transformers are cheaply made overseas so failure is not an option. It is an expectation. However a door chime button that sicks in the on position or a shorted wire can cause failure. The higher v/a rating wouldn't be a problem. Accidentally driving a nail through wire behind door trim could be.
 
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