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Why would our unit pop a circuit breaker after running about seven minutes?

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  • Heating & Co... Master
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Inadequate wiring for the current draw of the A/C, especially while starting.

Posted on Dec 20, 2016

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Posted on Jan 02, 2017

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SOURCE: furnace keeps tripping circuit break

Furnace. To confirm use an Ampprobe or other brand ampmeter and see how much current is being drawn. If it is more that 80% of the breaker rating, it si for sure the Furnace.

Posted on Jan 10, 2009

  • 30 Answers

SOURCE: Hitachi RAS09UH randomly pops 15A circuit breaker

Two things that you could check: 1) If you have access to an ampmeter, determine if the unit is drawing over over 14 or 15 amps, 2) replace the suspect circuit breaker in case it is beginning to go bad. Breakers only trip for overcurrent conditions or failure of the breaker itself. If it is pulling close to 15 amps, then it could heat up over time and trip.

Posted on Jul 09, 2009

  • 396 Answers

SOURCE: Central AC unit replaced breaker trips after running 20min

Unit is drawing two may amps for the breaker. Could be compressor sticking.

Posted on Jul 22, 2009

  • 582 Answers

SOURCE: CENTRAL AIR UNIT IS TRIPPING BREAKER

IF YOU ARE NOT ELECTRICALY EXSPERIANCED I WOULD FIND SOME ONE YOU KNOW TO CHECK THE FULL LOAD AMPS ONE THE UNIT AND USE AN AMPROBE TO CHECK AND SEE WHAT AMPS ARE BEING DRAWN. SOUNDS LIKE YOU MAY HAVE A WEAK CONNTACTOR THAT IS CAUSEING THE PROBLEM

Posted on Aug 10, 2009

SOURCE: Breaker breaks

This unit may have an internal overload mounted on top of the compressor. You would have to get to the
compressor to find out and it maybe faulty. That may
explain why the compressor comes on later on, this
overload protects the compressor from getting hot.

When you trip the breaker and then reset it again only to see it trip again almost sounds like a direct short or loose wire. It could also mean that your
capacitor needs to be replaced or that you need a hard start kit and the unit needs a good cleaning.

Try just operating the fan and see if it trips the breaker, if it does then either the blower motor is bad
or it is still the capacitor.

Posted on Jun 25, 2010

Testimonial: "The blower fan works fine. The breaker only trips when a load is put on it, but not always. I think the overload protecter could be the problem. Thanks."

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1 Answer

Kenmore 80 series dryer keeps tripping breaker after it runs for 5-10 minutes


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Here is a tip that I wrote that will help you ti find out why the circuitbreaker is tripping.

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Furnace keeps tripping circuit break


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