Question about Campbell Hausfeld Extreme Contractor Series Air Compressor
When the compressor is plugged in. It runs for about five seconds then it trips the breaker. Why?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Start up problem
The problem that you describe is caused by the in-tank check valve and/ or the unloader at the pressure switch. When the compressor cycles off the pressure switch releases the air that remains in the air line thru a small valve. There is a 1/4 " plastic tube extending from the check valve to the switch. Listen for the release of air as soon as the compressor stops. There is a small metal tab that pushes on the unloader valve that may need to be adjusted. The motor does not have enough power to start pumping if there is air/backpressure in the air line. If these parts are working correctly then check the value of the start capacitor and use meter to measure. The cap should test within 95 % of stated value. Parts are available at www.chpower.com. Enjoy
Posted on Dec 13, 2008
SOURCE: Compressor will not start
It is a good sign that the motor turns freely with and without air. That indicates that you have good bearings and that the intank check valve is in good condition. Next you should check the capacitors and the condition of the windings. Some motors have start and run capacitors and others only have run cap. Remove from the circuit and test with meter having cap. test setting. Most shops will test them for free. The cap should test within 95% of stated ( uf ) value. Replace as needed. Finally check that the flyball switch at rear inside of motor is functioning correctly. At rest, switch is at start winding, then a split second after start, it shifts to run winding. Check contacts are not stuck and that switch is working and lastly that the winding are the color of new penny. Good luck.
Posted on Jan 06, 2009
It could be a couple of things. First and foremost check the plug and make sure the continuity is good for the wires. I have found sometimes that cords get smashed and the wires will be making contact inside the plastic sheathing. Sometimes you cant see where the problem is visually. Remove the cord from the switch and test the continuity with a meter. Check across the poles to see if there is a connection there that shouldn't be. If there is continuity across poles get a new cord.
If your cord is good then it could be your switch. There may have been arching that caused damage to your switch. Check for burnt marks and any wires that are touching that shouldn't be.
Check all wiring to make sure it is correct.
Lastly, your motor may be stuck. Check motor and wiring.
Posted on Sep 11, 2009
either the motor start capacitor is weak on the motor case(cheap fix) or the motor windings are defective(expensive fix) new motor time
Posted on Nov 01, 2009
Testimonial: "The reply was surprisingly prompt, within an hour or so. I'll get back to the site with my final results on the fix."
if it has been an on going problem i would suspect that your power cord is too small,try a outlet closer to the breaker system.or get a bigger cord if one is used.is it maintaining pressure in the tank?if not a check valve is defective,you should hear air leaking if this is the case.let us know.
Posted on Mar 30, 2010
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