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Thread: Chiller Fault
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11-05-2006, 05:14 PM #1
Chiller Fault
Couldn't decide whether to post this thread here or in troubleshooting section ?
York chiller, dreaded fault code-the usual LOW CURR/MP/HP. Chiller doesn't start on the problem circuit, just a couple of clicks and out on the fault, maybe after about 5 seconds. I thought it must have been the mecahnical HP switch when I got there, so had a look, but it had't tripped (pressed the reset but it was already in). Now usually I would have thought that a motor protection fault would not still be there as the compressor (a screw one) was not hot. If there had been another problem I had expected the chiller to start up for at least a few seconds before any current faults could have been detected, so as no current was ever drawn as the contactor never pulled in, I think perhaps the HP switch must have an open fault.
HELP please.
Thanks
James
PS I was only asked to look on way home so due to time being a bit short was only there 30 minutes and then we had a thunderstorm.a problem shared is a problem halved
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