Question about Heating & Cooling
Sears kenmore 580.75101500
Test feature is part of the plug end that connects to the wall outlet; when I press the test button the green light stays on...but there is a strange buzzing sound (I have no idea if the sound is normal...it's a friend's unit).
Thanx for any help.
Hi, and no this buzzing is not normal. If the test button does not trip, its not to major. It sounds as though you have a relay, fan, compressor, or some other relay that has worn contacts that buzz when power is put to it. If the unit operates and its not to the point it is driving you insane, you can take it apart to locate which relay is the noise one and replace it if you have the skills to tackle it. If it fails completely, not knowing the sequence of operation unless you can read a ladder schematic, you will have problems locating the one that was buzzing. I would remove the front cover if its a wall or window unit to find the control section and locate this buzzing relay to replace it.
Best of Luck to you,
Posted on Jun 05, 2010
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Any one help me coz our aicon when starting the compressor our house it take power trip....is this coz by starter relay shorted....
Posted on Nov 12, 2013
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Posted on Jan 02, 2017
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