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Member
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Join Date: Sep 2018
Location: Berwick, Maine USA
Posts: 374
Real Name: Mike
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Member
Join Date: Sep 2018
Location: Berwick, Maine USA
Posts: 374
Real Name: Mike
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Quote:
Originally Posted by VincentGsrq
Outside temps were low 80s and I vac'd with both sides open, then closed both sides for the vac test, when I went to recharge, motor on, ac switch on and 28 bar of vac on the system, I pressurized the line with refrigerant before opening only the low side on the manifold, the low side gauge went up to approx 8 o-clock position and the high side did nothing, I will replace the expansion valve today and restart the whole process after this cold front passes (an hour of vac and an hour of test), today's high is only low 70s, there is no obvious spot to jump the exciter on the compressor harness, I will look and see if the low limit switch can be bypassed
Thanks for the help, I will report back
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Probably just low system pressure causing the low pressure cut off switch to disable the compressor. The magnetic clutch, fuse or the relay could also be bad. Try jumping the cut off switch or the relay to force the compressor on. It should take refrigerant then. Also will tell you that the circuit it good.
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