It shuts off at 125 psi and tries to restart at 110psi, but that’s when it struggles and blows the 20amp breaker in my shop. An air conditioner or heat pump that is cycling off and immediately back on or cycling off/on every 10 seconds is abnormal and is likely to damage the equipment. My air condition condenser( outside unit only) was shutting off after 3-5 minutes. 919.165190 with an type K A.O. If you wish to be updated when new comments are posted, add: about-air-compressors.com/comments/feed/ to your RSS reader. Was going to check Freon - had ac on max and started truck- ac kicked on in about 10 seconds then shut off. compressor acts the same after first cycle of pressure in tank it trys to restart after low pressure level trips, compressor tries to start and eventually trip breaker When I turn my window air conditioner to ON, the compressor turns ON. even without any resistance the motor blows the breaker after a few seconds…Mike. Have not had problems with unit at all since installation. Short cycling wears out the outside unit’s compressor. Since short cycling causes expensive damage, you’ll want to fix whatever is causing the issue ASAP. If it looks like the one on the right in the image below, it’s dirty and you should replace it. It starts up fine but pops the breaker after a few seconds. I witnessed the intertia switch in motor moves, but don’t know how to test if the switch is actually working. It is located in a small spot,before I start taking apart,any info u have would be great,email,thanx,Davy, (contact info removed so all can see the original and responses to this post – moderator). I’m out of ideas. Privacy Policy. Window AC only blows cold air for a few minutes. I just changed the pressure valve with the direct replacement part from Jenny. Often, the compressor is a sealed component preventing dust and debris from damaging its moving parts. I will run for about 2 seconds then trip the breaker. ac compressor only kicks on fist 15 seconds of truck running then stops. Shuts right back off. I know it has freon in it and is full. Also look into the thermostat, the call for cool air - switch, (electronic circuit), may not be working. For more information about what to expect when you hire us, visit our AC repair service page. In this article, we’ll look at 4 common causes of short cycling, and what you (or a professional) can do to fix each of them: Want a pro to stop your AC from short cycling? It still “blows” air but it is not COLD. by: Mike weiss. I bypassed the switch, same outcome. If your thermostat is in a bad location—meaning it’s in a spot that’s usually a different temperature from the rest of your home—the thermostat can be “tricked” into thinking your home is hotter or colder than it actually is, which can cause your AC to turn on and off repeatedly. All rights reserved. You see, if your AC cools your home too fast, you’ll run into issues like: Contact an HVAC expert to perform a cooling load calculation. I went to AC school 8yrs ago, questions are welcome. Contact an AC tech to verify if you have a refrigerant leak. Thanks~~ Weipeng Respond as a comment here, please so if it did not start we can dive further into the reasons. _________________. There has been a 25′ extension cord wired to the pressure switch that is used for plugging it in ( I acquired it this way) so I hooked it up the same. If you need an air compressor to run for continuous periods on a frequent basis, it may be that the tool demand exceeds the capacity of the compressor, it runs too long, and goes off on thermal cut out. Tried to, that is, the condenser fan ran, not sure about the compressor itself, and then the condenser fan shut-off again after only 5-10 seconds perhaps. – December 2020, The compressor appears to compress the air but there no air at the hose on a 921.166460 – December 2020, Bambi 75/250 won’t build air after being on its side – November 2020, About Different Brands of Air Compressors, Want to bragg about your gorgeous computer rebuild? even without any resistance the motor blows the breaker after a few seconds…Mike _____ Hi Mike… If it has just started happening, it is because the pressure in the system has dropped to the point where the pressure sensor is right at the point of shutting the system down to prevent damage. I'm not sure if the actual outside unit kicks on, but I can hear the blower turn on inside. If the compressor is overheating or is worn out, this will often result in the system shutting off frequently. once it turns off you can't turn it on again right away. So I was thinking it could be low. Are you using an extension cord if running the compressor on 120 Volts? I have a speedair 4b233 compressor wires to a 240 20 amp breaker. If you do, you’ll need them to fix it. A Florida Tech Answers. 6605 N Nebraska Ave Tampa, FL 33604 Just let it run long enough to see if … My a My ac unit turns on for a few seconds, then shuts off. I have followed direction on bottle of A/C Pro to fill my unit. I swirled to a 30 amp bereader and it ran for 5 seconds. Every time I start the car, the A/C starts then stops after only a few seconds. Yes I have a sir compressure that is 220 volt a 60 gal tank a 5 hrs motor and the motor has 2 capacitore it will run for 5 seconds then throws the braker .took v belt off just motor it still does the same thing. Hello. new toshiba satellite shuts off and restarts while gaming: Toshiba Satellite shuts down: Toshiba Satellite shuts down randomly P755D: Toshiba a200 satellite on mains battery shuts down © 2021 Red Cap Plumbing & Air. Uncategorized refrigerator compressor shuts off after a few seconds. Or visit our AC repair page for more information about our services. Started the other day kicked breaker found bad capacitor, changed it, now compressor runs for few seconds then kicks breaker. It is hard to help you diagnose the problem without these details.eval(ez_write_tag([[336,280],'about_air_compressors_com-banner-1','ezslot_14',106,'0','0'])); So, if the compressor starts with the tank empty of air, and the unloader valve is working on high pressure cut out, provide more details as a comment here and I’ll try to help you figure out what the problem is. Have to re-enter time, am/pm and date. I took the belt off the pump just to make sure the pump wasn’t holding it back. One other key thing to note. Yes ac light on, compressor is operating, then shuts off after a couple of seconds Pavlin Koev : A/C amplifire will lock the compressor if there is a present fault in the system While A/C clutch is engaged, pressure gauge shows it to be on bottom side of green. The Porter Cable compressor tank is full, but I can’t get air to come out? The compressor is a Black Hawk 5 HP as I recall, Running on 120V. please help Perhaps, start a new thread in the Craftsman forum, and include the model number for sure, along with any more info. But, the same cycle as described above: compressor runs about five seconds and shuts off. Thanks no electrician david, I have an Emglo model K15A-30. Thanks. Ideas? How old is your compressor?eval(ez_write_tag([[250,250],'about_air_compressors_com-medrectangle-4','ezslot_11',104,'0','0'])); Sure, it could be the capacitor, and you can see the page on this site about how to check that. Thanks. Have a professional reinstall your thermostat in a better location. Some Important FAQs about AC compressor. My air compressor will not restart after the first start up cycle. Are you running your compressor motor in 120 or 240 volt configuration? after a little bit of time, you can hear a clicking noise, and then the pump can turn on again. The clock needs to be reset every time. Anything new aside from the problem? The AC cools the room for 5 minutes but then the compressor turns off. We work for YOU on Saturdays for NO EXTRA FEES! More than 16 years on line helping folks with their air compressor problems! This sometimes suggests that within the compressor device there is actually a buildup of grime, but it may also suggest there is a refrigerant … After a while it starts to engage for few seconds and than back off for about 10-15. I took the belt off the pump just to make sure the pump wasn’t holding it back. Please add more info so we all can try to help. smith motor. by Mike Weiss I had a repair man come out a month or 2 ago and he replaced the blower motor and capacitor. GE motor model# MO-3020-2 Short cycling is bad news for your wallet and your AC system for 2 reasons: Short cycling raises your energy bills. Any recommendations. My microwave oven shuts off or resets after about 2 or 3 seconds of cooking. Did it start OK? Short cycling is bad news for your wallet and your AC system for 2 reasons: Short cycling causes additional wear and tear on your AC, which shortens the lifespan of your system. It generates the pressurized conditions through which the refrigerant absorbs and dissipates thermal energy, cooling your home. Got a central air conditioner that turns on and off every few seconds or minutes?. I have the same problem. It… Read more ». 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