Question about Craftsman 3 gal. Air Compressor, 1.5 hp, Horizontal k

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My compessor wont start.

I may have used a faulty extension cord. When I plug it up now the motor doesn't come on. I have even changed extension cords to no avail.

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Should not use extension cords with a air compressor use longer air hose instead

Posted on May 30, 2009

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ALWAYS USE LARGE GAUGE CORDS FOR COMPRESSORS. LOOK FOR RESET BUTTONS OR THERMAL OVERLOAD BUTTON ON MOTOR. DID IT TRIP BREAKER OR GFI OUTLET?

Posted on Mar 14, 2009

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It wont run


a model number would be helpful. Plug something else into the outlet to make sure it is working. If it is a small portable unit, check and see if the the motor circuit breaker is tripped. It should be (depending on the model) a little round button just inside the open end of the motor shroud. push the button to reset. Most small compressors are not made to be used with a extension cord and will trip the overload. If not the overload, it will be a problem with the cord or pressure switch and you will need a service tech to look at it.

Oct 14, 2012 | Campbell Hausfeld Air & Gas Compressors

1 Answer

My pancake will try to kick on when the pressure drops, however it will not catch and start. It is like a car that will just not turn over when trying to start. Any thoughts?


sounds like it needs a new start capacitor for the motor and never use a extension cord plug it directly into the outlet and use longer air hose.using extension cords for a air compressor is bad for the motor

Jun 19, 2011 | Stanley FactoryReconditioned Bostitch...

1 Answer

My compressor is working but my moter having loaded & burn i change another motor the same problem is happening. please guide me. thanks


The motor will run hot/overload if wrong size or too long cord is used. Also if pressure is set too high (most set at 125 ~ 135 at shut-off). In-tank checkvalve will also have effect on motor by loading the compressor at start-up. Easy test. Run compessor till you have over 100lbs in tank then unplug from power. At this point try to turn the motor /pump by hand, it should turn rather/very easily (this test is hard to do if the motor /pump is completely enclosed, you need to be able to turn the pump even if by truning the fan blade). If it does not turn easily let all the air pressure out of tank and then try to turn by hand. If it turns easily with tank empty try one more test. Run compessor till the pressure switch turns it off. Then unplug machine and turn compessor again by hand, should be easy. If not easy then unloader / checkvalve not working. The checkvalve could be leaking air back from the tank loading the pump. Replace parts as needed.

Apr 01, 2011 | Puma Air & Gas Compressors

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My compressor quit working when i flip the on switch it does nothing any ideas what is wrong???


If the tank is full (pressurized): Nothing will happen when the switch is turned on. Bleed some air from the tank to see if the motor turns on when the pressure drops.

If the tank is empty or low on pressure: First check the circuit breaker to the outlet the compressor is plugged into. Next, somewhere on the compressor, usually on the motor, there is a circuit breaker. They are usually a small round white or black button that if tripped will stick out about 1/4 inch or more. Push that back in and check to see if your motor runs. The usual reason for these circuit breakers to pop is because the compressor is being run on an extension cord. Rule of thumb for compressors: run longer air lines, NEVER use extension cords. If it is absolutely necessary to run an extension cord it should be 10-guage and no longer than 25 feet.

Jan 31, 2011 | Craftsman 15 gal Air Compressor 3 hp UMC...

1 Answer

Need a new pressure switch for Craftsman model 919152920 compressor, but that part is no longer available. The switch doesn't function to even turn on the compressor.


You can purchase a generic/ universal pressure switch from www.grainger.com or ebay. Just look for the correct fittings and pressure cutout. Cost about $20. Before you order a new switch you should test that motor and pump are ok. Jump the wires on the pressure switch temporarily so line-in is connected to motor line. When you connect cord to wall plug the compessor should start and begin to fill. If function ok then order switch. If the motor does not start, may not be switch. Good luck

Nov 09, 2010 | Craftsman Air & Gas Compressors

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I have a CH WL611701AJ compressor. The motor starts and runs for approx 15-20 seconds before blowing breaker. I have replaced both capacitors, still blows breaker. Removed piston to allow motor to...


This may seem a bit simplistic but how are you hooked up to the outlet? Are you using an extension cord or is the compressor plugged in only using the supplied power cord?
If you are using an extension cord then you are going to pop the breaker every time you use it. Infact the manual states

"Never use an extension cord with this product. Use additional air hose instead of an extension cord to avoid power loss and
permanent motor damage. Use of an extension cord voids the warranty."
Air compressors don't like extension cords.
It simply draws to much for an extension cord to handle.
Depending on whether or not your warranty is out there is a simple solution. Find the biggest gauge extension cord you can


If your not using an extension cord and it's ran in the past where it's plugged in now then check the circuit because there must be new draw on the breaker

You said the breaker is 20amp. correct? The compressor should be run on a breaker dedicated to the compressor only.

Even though you should use a longer hose instead of a longer power cord you can get away with it. But forget about wire gauge size you need to think wire diameter. The extension cord I made for my compressor is approximately 3/4" thick. That is the only way I was able to use an extension cord on mine. A good place to get that size cable is a boat supply store. The cable used for shore power on boats works.
Hope this helps but if not please let me know and I'll try and help anyway I can to solve your problem.

Nov 15, 2009 | Campbell Hausfeld 28 - Gallon Air...

1 Answer

Motor tried to start but couldn't, was using long


I'm assuming that your on/off is a lever or switch built into the pressure switch. If so, the pressure switch sounds like the problem.

Nov 14, 2009 | Air & Gas Compressors

2 Answers

Air compressor won't stay running even with resetting


How quickly does it shut off? Is it reaching the turn off psi? or is it immediate.
If it is immediate then it is probably a power supply issue.
Air compressors are power hogs. For instance, a compressor may work fine on an outlet using the supplied power cord, but plug it into an extension cord that is insufficient for it and a repeat of your problem will occur. If you use an extension cord make sure it is made just for this kind of application. Also, if possible, give the compressor a dedicated circuit.
Another problem might be your unloader valve not working correctly. This reliefs the pressure inside the pump after the motor has stopped. it would sound like the pump is working extra hard at start-up.

May 19, 2009 | Dewalt 2 Hp 4 GAL Air Compressor

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