Question about Dometic Rooftop RV Air Conditioner

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Air conditioner compressor tries to strart then kicks out

Fan comes on, compressor tries to start, will buzz then overload kicks it out.

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  • steve
    steve May 11, 2010

    Check the capacitor and the compressor overload relay.

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  • 46 Answers

Start compasitor

Posted on May 25, 2009

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1 Answer

Have a frigidare wall ac (FAA067P7A). Worked 1st year we had it but problems after. Only time compressor kicks in is when we hit reset button. Then cold air comes out for couple minutes then compressor...


The compressor is stopping on overload. There is either a weak breaker or an electrical problem causing the overload to open the circuit and stop the compressor. It has to be taken apart to determine what is or is not going on.

Aug 03, 2011 | Frigidaire Compact Air Conditioner

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My compressor is not turning on the fan is going but the compressor wont kick on what could be wrong it was working fine just an hour ago


Air conditioner compressor will not start. When power is applied to the air conditioning outdoor unit the fan starts, but you hear a sound like the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then all you hear is the outdoor condenser fan run. The compressor is locked and will not start. What is happening is the compressor is trying to start, but because the compressor motor is locked it tries to start for a few seconds and then because of the high amperage being drawn goes off on internal overload. The internal overload protects the compressor windings from overheating and burning up. I see this many times during the start of the air conditioning season. Some compressors just have a hard time starting after sitting all winter long. Some compressors are locked up so bad that I can not start them and must tell my customer that they need a new compressor . Many times I can get the compressor started again without having to buy a new compressor using a device called, "Super-Boost." I keep two or three of these on the truck. They have saved many of my customers from having to buy new compressor.

Jun 20, 2011 | Goodman CKL36AR36 Air Conditioner

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Rooftop RV Air Conditioner: temp outside 90 or above. compressor kicks off ....


It sounds like maybe an overload for the compressor is tripping and resetting once the compressor cools. Possibly due to a low charge.

May 03, 2010 | Heating & Cooling

1 Answer

Fan is spinning on compressor but air inside not cooling house


that means that it can be the capasitor for the compressor is faulty or it can be one of the windings in the compressor is burnt

Sep 26, 2009 | Goodman CLQ36AR49 Air Conditioner

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Fan motor will not come on


That thing connected to the capacitor is a booster for the compressor .But if the outside fan doesn't work , the compressor will shutt off on overload because the high pressure in the condenser coil.
First try to replace the capacitor in the condensing unit (it's the only one that works for the compressor and the fan motor) ,but if the fan doesn't start, you need to replace the fan motor.

Sep 14, 2009 | Ruud UBHC Air Conditioner

1 Answer

My air conditioner is on but not blowing cold air and buzzes


The compressor is not starting. The buzzing noise you hear is the compressor trying to start and then the thermal overload trips. When it cools it will try to start again. Could be a bad capacitor or the compressor is bad. These two units need to be tested to see which one is bad. A capacitor is inexpensive. If it's the compressor it will be cheaper to buy a new AC.

Aug 21, 2009 | Heating & Cooling

1 Answer

Hey, I have a goodman cple30-1 that won't "kick on" it just lightly buzzes when the fan should start moving The inside fan works fine just no cold air.. thanks Im trying to save the $150 house call


What exactly is buzzing? is the compressor running without the fan? It may be the contactor buzzing and if nothing is running this may indicate that the breaker is tripped as the control voltage may be coming from the indoor unit. Let me know what you find out
seth

Jul 18, 2009 | Goodman CKL42AR42 Air Conditioner

2 Answers

Air condition problem


What type of thermostat do you have? If the fan is not coming on and neither is the compressor, then is more than likely a problem with the thermostat of control units of the Air Conditioners. The fan will come whether the compressor does or not if the thermostat and control unit are working correctly. Check for twelve volt at the control unit of the air conditioner ceiling unit. (Red Wire, should be labeled)

Jun 30, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Compressor problem?


The buzzing is your compressor trying to start. It is going off on internal overload caused by heating up of the motor windings.If you have an amp meter you could check the amp draw of the comp against the locked rotor amps listed on the tag You could try to have someone test your run capacitor, which looks like a can. Could be round or oval with wires coming off it. Or try a hard start capacitor and relay to bust it loose if compressor rotor is stuck. If that doesn't do it the comp is bad.

Jun 10, 2008 | Ruud UBHC Air Conditioner

1 Answer

Fan not blowing


Even when the power is off at the unit outside the thermostat will supply power to the contactor of the outside unit. This may give a hum or buzz as you stated. If when the power is on to the outside unit the fan tries to start but only hums the motor may be bad. Does the compressor start and run?

May 06, 2008 | Weather King 10AJA2501AH Air Conditioner

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