Question about Heating & Cooling

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My AC unit runs for 15 minutes the cuts off. Then there is no

I always turn my AC off when I go to work. When I come home at 9:30pm it is 85 degrees. I turn it on and it goes down to 82 (about 10-15 minutes) then cuts off. I thought it was the thermostat, so got a replacement but touching the green and red wires didn't turn the fan on. when I wake up in the morning it will run for 10-15 minutes then cut off again. At this time there is no "juice" to the wires in the thermostat.

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  • 1,033 Answers

Hello, if there is a condensate safety switch this will cut off power to the tstat if the comdensate line is backed up. Check the condensate line to make sure it is clear.

Posted on May 07, 2012

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SOURCE:

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Posted on Jan 02, 2017

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SOURCE: 2 problems.. AC Comp cuts out. And Fan will not stop.

Unit#2 -Sounds like the contacts on the master switch are welded closed or the switch is broken, Replacing the switch should fix this unit.
#1 is a little more difficult to diagnose. The compressor is being taken off line by a circuit that protects the compressor from damage either; 1- liquid refrigerant getting back to the compressor which can be caused by something as simple as a clogged return air filter or evaporator coil on a heat pump or 2- overload situation caused by a bad condenser motor or a clogged condenser coil. The first thing you need to do is clean both coils and replace the filter,. Then check to be sure your getting good airflow across both coils. I think it's most likely an airflow issue I hope this resolves the problem GL!

Posted on Jun 12, 2008

  • 2 Answers

SOURCE: 579 series, 13.5K BTU Rooftop trips AC circuit breaker in hot weather...

Is your condensing unit located in a well ventilated area and have an ample space, atleast a foot, from the rooftop flooring? Just make a check that free flowing outside air properly ventilates the condensing unit specially on high ambient temperatures. Hope this would solve your problem

Posted on Sep 16, 2008

  • 1 Answer

SOURCE: 3 year old Beckett AFG

Called Beckett at 1-800-OIL-BURN and explained the problem. They told me that the solenoid on the oil pump (Clean Cut) was the cause. I purchased a new pump for $50 at the local plumbing supply and installed it. Problem solved.

Posted on Nov 23, 2008

  • 73 Answers

SOURCE: AC unit fan won't turn

Yes those are the Thermostat Wires to the Unit Reconnect and you should be Fine.

Thanks
Please Rate me
George




Posted on Apr 28, 2009

  • 606 Answers

SOURCE: RV air conditioner. Compressor running, fan stops before cool

The fan motor is getting hot and going off on the internal overload in the motor.
This is caused by either a low voltage, a bad capacitor, or tight or dry bearings in the motor.
To check the bearings turn the power off to the unit, then spin the fan blade if it spins freely then the bearings are ok.
To check the capacitor you will need some kind of tester or you can buy a capacitor and replace it, that's what a lot of people do. They usually don't cost very much.
To check the voltage you will need a voltmeter and measure the volts at the unit.

Posted on Jun 09, 2009

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If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

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Air conditioner shuts off early.


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Aug 02, 2009 | Ruud UAKA060 Air Conditioner

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My A/C evaporator is freezing up, and wont cool the house below 85 degree


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Jun 29, 2009 | Heating & Cooling

1 Answer

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