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Rv air conditioner was accidentally hooked up to 220v. Popped breaker a couple times b4 realizing. Now it don't cool. Just runs fan on cool or fan only. What/how do I check for the problem? And can you buy parts for these. Some say just replace unit. Hoping to save a few bucks. Did work just fine.

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  • 602 Answers

If the unit had fuse or thermal protection it would not have popped the breaker. The compressor got zapped along with other components. Save a few bucks. Replace the unit.

Posted on Mar 16, 2015

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6 Suggested Answers

6ya6ya

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Posted on Jan 02, 2017

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Anonymous

  • 59 Answers

SOURCE: Outside Unit Air Conditioner fan not running

probably a bad fan motor. could be a capacitor

Posted on Apr 25, 2009

Bill Long

  • 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

Anonymous

  • 614 Answers

SOURCE: can my duo-therm air conditioner on my rv be recharged?

These unit can be recharged. 134A. You NEED A SERVICE TECH THAT KNOWS HOW TO CHARGE UNIT.RUS

Posted on Jun 25, 2009

Keith Fournier

  • 308 Answers

SOURCE: The outside unit is not working on my Heil Air conditioner

The attic fan is not a part of your a/c system, and you should not run it while you are running the a/c. If you are currently using the attic fan, it is possible that someone wired it so that the a/c won't turn on while the attic fan is on. Otherwise if the thermostat is set below room temp, and says it is calling for cool, then the problem is most likely coming from an issue at the outside unit itself. Make sure to check your fuses, at the fuse panel and outside breaker. Hope this helps

FYI.. the only part of the system that might use batteries is the thermostat.

Posted on Jul 28, 2009

VtToolMan

Mark

  • 704 Answers

SOURCE: RV Air Conditioner Keeps Tripping Circuit Breaker & Compressor

It sounds like the unit was miswired at the factory, since when the A/C is "off" at the thermostat, there should be no calls for cooling or for the fan to run.

You also stated the most puzzling issue, with the breaker turned "off" the same thing happens. This shouldn't happen at all, when the power breaker is turned off, there should be no power being supplied to the unit and it shouldn't be able to do anything. Very strange indeed, but likely a major error done when the RV was manufactured, or some wiring in the loom has somehow become shorted and is supplying power from another breaker/source.

I think a call to the manufacturer is in order since there is no easy solution aside from possibly rewiring the A/C circuit.

Not sure when your RV was made, but definately time to call the manufacturer and break out the wiring schematic in an attempt to isolate and resolve the problem.

Hope you find this helpful and best regards!

Posted on Aug 06, 2009

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MY AIR CONDITIONER WILL WORK GOOD FOR ABOUT 10-12 HOURS AND THE NEXT DAY I WILL AND CHECK THE RV AND THE CIRCUIT BREAKER WILL HAVE POPPED WHAT WOULD CAUSE THIS TO HAPPEN. IT COOLS GREAT. THANK YOU


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My a/c comes on fine; however, if the fan is on low it kicks the circuit breaker after a couple minutes. It works fine on high.


Feel the compressor it may be getting hot and the increased
air flow on high may cool it somewhat.
If so compressor problem or much slowed fan
Check air volume on low.
If this was helpful please rate me.
Leo Ponder Appliance-Tyler,Texas
imufo2@sbcglobal.net

Aug 06, 2010 | Dometic Rooftop RV Air Conditioner

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RV Air Conditioner Keeps Tripping Circuit Breaker & Compressor


It sounds like the unit was miswired at the factory, since when the A/C is "off" at the thermostat, there should be no calls for cooling or for the fan to run.

You also stated the most puzzling issue, with the breaker turned "off" the same thing happens. This shouldn't happen at all, when the power breaker is turned off, there should be no power being supplied to the unit and it shouldn't be able to do anything. Very strange indeed, but likely a major error done when the RV was manufactured, or some wiring in the loom has somehow become shorted and is supplying power from another breaker/source.

I think a call to the manufacturer is in order since there is no easy solution aside from possibly rewiring the A/C circuit.

Not sure when your RV was made, but definately time to call the manufacturer and break out the wiring schematic in an attempt to isolate and resolve the problem.

Hope you find this helpful and best regards!

Aug 06, 2009 | Dometic Rooftop RV Air Conditioner

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Carrier A/C in RV won't run


check your breakers make sure when running unit this is the only thing on the breaker 15 to 20 amp be sure to keep a window cracked as well unit does freeze over so don't have all the way on cold

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Duro-therm rv roof a/c..model 57915.331...compressor coming on..fan not running..after a couple min. breaker trips....fan will not run on manual or auto...help,blackie williamson


Either your fan is stuck due to age or grime or is shot

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Jun 09, 2009 | Dometic Rooftop RV Air Conditioner

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