Question about Dometic 57915531 Air Conditioner

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A/c compressor comes for a second or two and then shuts off. What is causing this problem.

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Its hard to tell from a distance, but when a compressor is locked up, it will attempt to start about every 2 minutes. It will draw a lot of current for a few seconds then click off. If this is the problem it requires a compressor replacement. As a last resort you might try a "hard start kit" which is available at heating and air supply companies. You may have to get someone in the business get it for you, they don't usually sell to the public.

Posted on Sep 10, 2010

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1 Answer

My 3.9 kenmore fridge wont work. i hook it to power and it hummms then shuts off.


Your start device for the compressor may be bad, or the compressor windings are bad

Nov 04, 2014 | Refrigerators

1 Answer

I have a royal penguin duo them fan works fine the


Low freon pressure will cause the compressor to short cycle. When not running even low freon will show full pressure. When the compressor comes on it drops the low side pressure enough to shut it down This stops the compressor from running when there is not enough freon to carry the oil needed to lubricate it.

Aug 27, 2014 | Heating & Cooling

1 Answer

I changed the ac compressor and dryer pumped it down and charged the system the compressor comes on for 3 seconds and cuts off. The clutch does not stay in gage. What could be the problem now?


Sounds like it's shutting off due to high pressures in the system. Do you have gauges to read the system pressures? One thing that would cause this is too much freon in the system, or too much oil. Did the compressor come with oil in it or did you add oil to the system? Too much oil and/or freon will give high pressures and the high pressure switch will shut the system off. Or the high pressure switch could be damaged, maybe even unplugged is a possibility. If it is plugged in you could try unplugging it and seeing if the compressor keeps running for longer than 3 seconds, if it does pressures might be too high. It could also be a bad relay getting hot and kicking off. Try switching relays and see what happens. Another possibility is the low pressure switch but not too likely in this case.

When the compressor shuts off, can you turn it by hand? If not, high pressures or even a bad compressor are possible.

Lot's of possibilities. Just have to wade through them. I'd start with the relay and then check the pressures.

Good luck.

Jun 21, 2014 | Cars & Trucks

1 Answer

Wont collect water compressor comes on and shuts off within seconds


Hello llamermike.

Do you hear a click about 30 or 40 seconds after it shuts off? If so, that means the compressor is trying to start but can't. Either there is a leak of the freon that caused the compressor to overheat, or the compressor just gave up.
All you can do is check your warranty to see if it is still coved. If you're into the second through fifth year of ownership it might say that they will pay for parts, but not labor. Labor will be more than the cost of two or three new units.
If it is time to go shopping, and you find a unit that you like, you could call an appliance shop that is factory authorized on many different brands and ask the shop tech what brand he sees the least. And, check other sources on the web if you like, but the folks who work on them are the best source of reliable info, in my opinion.
Based on the information supplied, that is my opinion. Also check warranties on the new units.
Good luck.

fil

Mar 03, 2011 | Frigidaire FDL50R1 Dehumidifier

1 Answer

All the food in the freezer defrosted and the refrigerator side is not cold enough. I have vaccuumed the coils and the fan on the back side is running. The compressor comes on for about 10 seconds then...


The compressor isnt coming on for about 10 seconds, its attempting to start for about 10 seconds. Since you will not have the proper device to jump start the compressor, your only choice to determine if its the compressor itself, or the start device that starts the compressor has failed, is to risk buying the compressor start relay and overload and hope that is it, or find a local refrigerator repair company to diagnose it and then either have them repair it or repair yourself.

Oct 19, 2010 | Refrigerators

2 Answers

How do you put refrigerant in after the compressor has shut off cause it got to low?


If the compressor will not come back on as you try to add freon,then remove the negative battery cable from the battery for 20 seconds to reset the system,then put it back on,then it will work,if this was at all helpful,please rate,thank you.

Jun 17, 2010 | 1998 Cadillac DeVille

1 Answer

OUT SIDE UNIT SHUT DOWN IN HEAT MODE, WHEN YOU FIRST TURN IT ON IT RUNNS FOR ABOUT 30 SECONDS THEN BOTH THE COMPRESSOR AND FAN SHUT OFF FOR APROX 3 MINUTES {LARGE LINE STARTS TO GET WARM} AFTER 3 MINUTES...


Hi, You have a heat-pump, this I do no. The reason it is shutting down from how you have explained it to me, is the compressor is shutting down due to high pressure and it is going off on the internal overload. When the compressor cools down, it starts back up and runs again. As for the large line getting warm, this is normal for a heat-pump as in the summer this line will be cold. The reversing valve changes over the flow of freon and the flow goes in the other direction. Back to you're problem. The service tech is bleeding off freon because he is apparently showing with his gauges it is over charged? This will cause it to draw to many amps and shut off. Has this compressor been changed out recently? Or maybe freon added due to a leak? He is doing it because he is thinking it is over charged. It may be some if it runs for a few hours after it is bled off. Did you notice if he clamped his meter around a compressor wire to check the running load amps? If so, that's what he is doing. I would say this unit had work done on it recently or correct me if I am wrong. The condenser fan motor should not shut off with the compressor, it should run all the time even if compressor shuts off on internal overload, believe me!! The fan is wired separate from compressor. The only time this fan shuts off when heat is on, is when it goes into defrost, and compressor keeps running. For the compressor to run for only 30 seconds and shut off, and then back on in 3 min, on for 5 seconds and off again, sounds to me this unit is short cycling due to being under charged. It is strange it runs after he bleeds freon off for a 1/2 a day. As far as the fan shutting down to, and I would like you to get back to me, if the compressor was changed at some point, the fan wiring was connected to the contactor load side, so it shuts down when compressor shuts down. One fan lead is on the wrong terminal of the contactor. If this is the original compressor, this could have happened at the factory, I have seen this before. The tech should have seen this!! Going on and off this fast, would not cause the compressor to get hot enough to kick off and cool fast enough to come back on that fast! Sounds like low pressure. I don't like to knock other techs work, but this unit is not being checked properly. Without me being there to install my gauges and amprobe, all I can do is tell you he is wrong with his solution, way off. Heat-Pumps are much more tempermental then a split a/c only.What to do is call them back out and request a different service tech, or the service manager. This will be no charge to you! You should be reimbursed for the last call. E.P.A. allows us to only loose minimus amounts of freon installing our gauges also. It is forbidden to bleed it into the air. He could be fined $25,000 the 1st time!! It also sounds as though you have a problem in the defrost board that would cause this. Please call them back out and don't feel bad about it. This is you're right! Tell them about the fan also as if it is going off on high pressure which I think not, the fan would stay on. I know this is long but I want you to understand what is going on. I do this for a living and know whats up! I am a Licensed contractor in this field. Please keep me posted. I will be waiting to hear back.
Sincerely,
Shastalaker7

Dec 21, 2009 | Heating & Cooling

2 Answers

No cold air. compressor works for seconds and shuts off


Replace the compressor, if it quits running after a few seconds, it is more than likely your compressor causing the problems

May 29, 2009 | 1992 Honda Accord

1 Answer

DuoTherm rooftop compressor problem


What you are telling us is called shortcyling is caused by possable low refrigerant then the electrical overload is stopping the compressor. overheating can accure.it is best a local serviceman can check it to prevent major part damage.pressure and oil safey controls can cause
simular cylcling problems.

May 02, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Compressor runs 12 seconds then down 2-3minutes


It sounds like you have a blockage in the refrigeration system. This would cause the compressor to overheat and ultimately trip out on thermal overload.

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