When my compressor reaches about 80 90 psi the plastic hose from the pressure switch blows out. Several problems can prevent a pressure control switch from turning off.
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Pressure switch keeps burning out. Ernie plastic hose from compressor blows off by. Its important to cut power when this happens so the switch wont burn out. Plastic hose from compressor pressure switch. Burning can mean one of two things. Liamh2only 4 liamh2only 4 newbie. Pressure switch keeps burning out.
Posted december 13 2016. This air line is normally connected between the tank check valve and the unloader valve. Switch wont turn on or off. Like any mechanical part your pressure switch can wear out and malfunction over time. Check your water supply from the well along with any leaks which could be affecting your pressure cut off. Compressor contacts keep burning out by.
1 a loose connection either at the switch or elsewhere causing heat build up. Newer sanborn 5 hp air compressor. Reply to this topic. The switch will stick on because the contacts will burn and weld together. Well ernie i looked as close as i could and didnt see where it was ruptured. By liamh2only december 13 2016 in water fed pole window cleaning.
Pressure switch keeps burning out sign in to follow this. So my pressure switch keeps burning out on my shurflo pump. If you have a voltmeter measure the voltage across the contacts when the motor is running and continue going in both directions. I am on my fourth in the last year. Pressure switch contacts keep burning out. A malfunctioning switch can cause the pump to run too often or too long and potentially burn out the motor.
Thank you for any help you can give me. If you look carefully at the photo you can see the plastic tube has ruptured. 2 an overcurrent condition leak to ground. By jb johnson sidney ohio i have a 5hp sanborn air compressor that keeps failing the pressure switch every month or so.