View single post by RegUS_PatOff
 Posted: Thu Oct 6th, 2005 09:18 am
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Joined: Sat Sep 24th, 2005
Location: Milwaukee, Wisconsin USA
Posts: 16509
I have a Maytag MSD2756AEW and had the same defrost problem.

I drew a schematic of the ADC and found the cause and fix for the "buzzing relay"

It's a bad electrolytic capacitor, C2,  22uF @50v

Try jumpering in a good one across it. (there is a protective coating over the entire board)

Watch the polarity and also be careful, the minus (-) side of the cap is connected to L1 120v HOT side of the power line.

I drew the schematic with MS Paint, and will soon draw it  with a schematic program and upload it here. (a few messages below)


also, neither the compressor nor the defrost heater will work when the temp control is turned down (but the relay will still energize)  try it at max cooling setting.

Last edited on Sat May 24th, 2008 10:20 am by RegUS_PatOff

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