Date: Sun, 02 Sep 2007 10:56:52 GMT From: "Mrcheerful" <nbkm57nospamail.com> Subject: Re: [XP] Sporadic aircon
"Colin Stamp" <col.dustbinnospamp.plus.com> wrote in message news:td3ld35g32isos1ag912fl96ktfaf9dcs7nospamcom... > On Sun, 2 Sep 2007 09:38:51 +0100, "moray" > <mtb_hyphen_rulesnospamail.co.uk> wrote: >> >>Most likely a knackered clutch on the compressor. >>Connect a test lamp from the clutch power wires on the compressor, and see >>if it's still getting power when the system stops working. >> > > Could be. The next part of my cunning plan is to check the clutch is > pulling current. > > I'm still wondering if there might be a refrigeration problem which > could cause the high-side pressure to intermittently drop to a > "switched off" level even with the compressor running though. > > Cheers, > > Colin. moisture in the system can cause this, it freezes to form a plug, then melts etc.