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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1 Answer

Wall light switch timer inline with Extension cord GE 15313


Black to black (hot), Green to green (ground) and the only one left is of course white to blue. The (neutral) white wire can be many different flavors (blue, red, orange, brown, etc.).

If the outlet your plugging into (or controlled by the service panel breaker) is 15 Amps use a minimum of 14 gage wire (or 12 gage is even better), if its a 20 Amp outlet use 12 gage wires (or 10 gage). Don't use a 16 or 18 gage wire because it may get hot and start a fire because its undersize for the Amps.

Nov 13, 2012 | Hardware & Accessories

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 Tools & 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

When we started using toro leaf blower this year the extension cord started smoking and the plastic started to melt. Is it the leaf blower or extension cord that's faulty. Both are fairly new.


You must use at least a 12 guage extention cord . Your current cord mostlikely can not handle those amount of amps for long duration of time.

Nov 07, 2010 | Toro Garden

1 Answer

Powers up for a few seconds then cuts out and goes dead


Make sure your extension cord can provide 13 amps or greater of current. The longer the extension cord the more current it requires to supply the 13 amps to your power washer. If your unit has a long extension cord it could pull more than the typical 15 amps used for a household circuit breaker. If you do not have an adequate circuit breaker it will continue to trip. Plug the unit directly into the power receptacle or use a larger current rated power cord and power receptacle. If the problem persists then the unit could be pulling too much current due to motor restrictions.

Jul 26, 2010 | Alfred Karcher K 5.93 M Electric Pressure...

1 Answer

Breaker kicks off as soon as switch is turned on


the gfci is defective from moisture even after they dry they can be defective,access the cord inside the machine and try a different cord and see if this is your problem,otherwise the pump motor could be bad,the bypass valve on the pump could be bad,if you could run it you could check current draw with an amprobe,but not if it wont start

Apr 06, 2010 | Karcher K2.26 Electric Power Washer

1 Answer

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 Tools & Compressors

1 Answer

Plugged a new tumble dryer into an extension lead in garage with my lec fridge freezer and blew the fuse,brought new tumble dryer inside house and is working fine,lec fridge freezer in garage now showing a...


you have more than likely ruined the control board on the refrige,a dryer and refrigerator should each be on their own dedicated circuit,they use an enormous amount of current to start, and even if one is running and the other starts thats enough to trip even a 30 amp receptacle, and furthermore extension cord use on these types of appliances even a large gauge cord i.e. 12 ga. that will carry 20 amps is not even a good idea because of voltage drop,as this causes motors to draw excessive current and over heat the motors and reduce appliance efficiency too

Nov 09, 2009 | Freezers

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