Re: A/C compressor won't shut off
- From: "Zyp" <nospam@xxxxxxxxx>
- Date: Mon, 20 Aug 2007 08:01:02 -0700
Meat Plow wrote:
On Mon, 20 Aug 2007 07:58:23 -0500, Peabody wrote:
Everything seems to be working fine, but then when the thermostat
trips off, and the furnace blower fan turns off as it should, the
compressor outside keeps running. If I take the cover off the
electrical section and give it a sharp rap, it lets go and turns
off. So it appears it has to be a relay that's not letting go.
Well, all I can see in there is the main contactor, which has pretty
pitted contacts, and the hard-start relay. I was planning on
replacing the contactor, but wondered if it could possibly be the
start relay that's not letting go.
Contactor relay.
Replace the contactor, wash the condenser coil. It's likely dirty, causing
unsually high amperage draw, heating the contractor contacts and 'welding'
them together. Also, replace the air filter to limit long run times.
--
Zyp
.
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