Question about Dewalt 2 Hp 4 GAL Air Compressor
My dewalt air compressor starts up then goes back off I hit the reset button and again the same thing happens over and over again
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.
Posted on May 22, 2009
Wow thanks alot mate! my compressor died yesterday and i had no idea what was wrong, i removed / cleaned check valve and regulator and was about to remove compressor / motor and take apart, also contemplated replacing relay / capacitors!
you saved me all the hassel, i was using a 10amp extension cord ( 20 meters ) on my 10 amp compressor, it worked for about 1 week this way but now it only works when i plug it directly into the wall!
Posted on Apr 04, 2010
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Posted on Jan 02, 2017
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