Author Topic: Noisy relay Gottlieb Card Whiz  (Read 566 times)

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Offline Strangeways

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Re: Noisy relay Gottlieb Card Whiz
« on: January 31, 2013, 10:59:23 AM »

Identify the relay. Then clean and adjust the contacts. Sometimes relays buzz when their hold contacts are dirty or mis aligned.

I've not heard of the diode trick ? That would convert the coil to DC. I can't see how it can help.
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