Question about Ruud UAMB Air Conditioner

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Not working Neither the AC unit itself or air fan is working. Tried Circuit breakers and reset button.

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Re: Not working

If the indoor fan will not run it one of two things. Breaker to furnace or a bad 24v transformer. Thx RepairUSA

Posted on Sep 30, 2007

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I have a Frigidaire air conditioner. I've never had a problem with it,at all until a few minutes ago. It all of a sudden quit working. I pushed the reset button and tried to push power, but nothing....

First check the outlet the unit is plugged into. It may be dead, due to a circuit breaker being tripped. Also, the interior of the outlet may be damaged or has a loose wire.

If a circuit breaker was tripped, unplug the unit before resetting the circuit breaker. Then plug the unit back in and turn it ON. If the breaker trips again, there may be a short in the AC wiring or there is another electric appliance on that same circuit, that may be causing an overload, when the AC unit is ON.

Hope this helps you to start troubleshooting the problem. Thanks for choosing FixYa.

Aug 10, 2011 | Frigidaire Air Conditioners

1 Answer

Air conditioner

There is a fuse inside the control panel of the AC itself. You have to take the cover off (from inside on the ceiling) and look up in there with a flashlight to find it. It is usually a very small amperage fuse - I think a 1 or maybe a 5 amp.

hope this helps

good luck

Jul 28, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

AC compressor wiil not turn on

You will have to find the contactor which is located in the outside unit. And check the voltage at the contactor, 26 v as this is the thermostat calling for the compressor to come on. You can also push in the contactor and see if the fan and compressor start. There should be an outside fuse box close to your condensing unit. Good luck

Jul 23, 2010 | Samsung AW1203B Air Conditioner

2 Answers

My unit was working fine until 3 days ago when the breaker tripped, I reset the breaker and worked fine for a day then tripped again when it tripped both the ac breaker andthe main in the trailer as well...

High amp draw can be caused by a few different things, so first check that incoming voltage to trailer is sufficient. (115 volts) Not unusual for some parks to install more hydro hook-ups on a feed line, and when all are up and running, your incoming voltage could be decreased. If your o.k. that way, then I'd start looking at the compressor circuit of your ac, in particular, the compressor start-up capacitor. The capacitor basically stores electricity and boosts it to higher voltage for compressor and fan start-ups to reduce current draw that will trip the breaker. Please have a knowledgeable electrician, or RV tech check this for you, as a capacitor can give a real good high voltage (possible fatal) shock, even when power is off to unit. I also suspect that the start relay has shorted (welded) itself due to high amp draw situation, and that is reason it comes on by itself.

Jun 21, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Everytime my central air unit kicks on my circuit breaker trips. It didn't do this last year or even earlier this year

A circuit breaker 'tripping' everytime the AC unit kicks on 'most always' indicates a direct short (somewhere in the condensing unit), although it is possible that the breaker itself is bad - (but not likely).

Usually the cause of this 'short' will be - either the condenser motor in the condensing unit (outside unit) or the compressor - also in the condensing unit.

If you're mechanically inclined - and "very careful" around electricity - there is a fairly simple way to find out which component is causing the short.

Step 1 - Make sure the condensing unit (outside unit) is completely disconnected (electrically) , i.e. pull the fuses/turn off circuit breaker on outside unit and turn off thermostat.

Step 2 - disconnect the condenser motor (this is the outside fan motor). Note: when you disconnect the wires of the condenser motor "be sure" you mark/write their location, and wrap them in electric tape.

Step 3 - start the AC unit. If the breaker trips again you can pretty much rest assured it's the compressor that is shorted.

To prove it (without a doubt) - go to next step.

Step 4 - "be sure circuit breaker and thermostat is turned off" - and - 'reconnect' the condenser motor - and - then disconnect the compressor wires (mark wires and tape them).

Step 5 - Start AC.

If breaker doesn't trip - you know it's the compressor that is shorted.

If breaker 'does' trip again - then it's possible the breaker itself is bad (not likely) or there is a 'short' in the condensing unit's "wiring" somewhere (not likely).

My guess is that either the condenser motor or compressor is shorted.

Hope this helps.

Good Luck!

Jun 10, 2010 | Air Conditioners

1 Answer

No power to portable air condition

If the filters are clogh with dirt , the unit breaker will shut it off ,it's avery common problem , but if after the filters were cleaned it keeps shutting off , could be a bad fan motor or the compressor itself could be grounded.

Oct 25, 2009 | Amcor Air Conditioners

1 Answer

Can i run the fan on my inside unit if the outside unit is not working

You should be able to run the fan on the inside unit if the outside one isn't working. If you're worried, turn off the circuit breaker for the outside unit. If you don't know why the outside unit isn't working, check the circuit breaker at the breaker panel, check the breaker inside the box that electrically connects to the outside unit, and check the outside unit for a reset button.

Oct 15, 2009 | Air Conditioners

3 Answers

Lennox air conditioner is blowing hot air

Check your coils for ice, check your breaker and fuses for condensing unit, and is your condensing fan running? If not, you either have a bad fan motor or capicitor. After you hit the button, and wait for it to time out, (you should hear a click) take a butter knife, and spin the fan if it is not moving. If the fan start spinning by itself after your assistance, you have a bad capacitor

Jan 29, 2009 | Air Conditioners

1 Answer

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

Sep 16, 2008 | Dometic Rooftop RV Air Conditioner

1 Answer

Frigidaire 12000 BTU A/C window unit

The reason that it's doing that is b/c at first its running only with the fan butwhen the compressor clicks on it trips the breaker if you have other items running off that circuit "unplug them" [even turned off items can still consume some power]. Then try to running only the ac unit see if it works a 12000btu takes a lot to run, if this doesn't work the ac may be to much for your circuit to handle and a smaller unit may be needed.

Aug 06, 2008 | Frigidaire FAA065M7A Air Conditioner

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