rigid dual tank compressor will not shut off

by mike
(bedford indiana)

Ridgid dual tank air compressor

Ridgid dual tank air compressor

I have arigid dual tank compressor would not shut off


I replaced the pressure switch and no difference it gets to about 130 pressure and I shut it off then turn it back on

it doesn't run until I bleed it off to 100 and it kicks on and runs but wont shut off

don't know what else to do hope you can help
thanks
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Mike, if power is getting to the motor circuit through the pressure switch, and the pressure in the tank is above the cut in pressure setting of the switch, then the switch has either failed, is failing, is not wired correctly or is set wrong.

You say you replaced the pressure switch. What is the cut in and cut out pressure settings of the new switch?

What was the cut in and cut out pressure settings of the old pressure switch?

Are they the same?

Is the new switch pressure settings adjustable?

If you use a multi-meter to check power on the motor side of the pressure switch after the pressure in the tank has bypassed the cut out pressure setting, and power is still there, then the switch has not tripped off, and the problem is the pressure switch itself.

Bill

Comments for rigid dual tank compressor will not shut off

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Jun 24, 2014
rigid
by: Doug in s.d.ca

Many of these compressors from rigid cut off at 140-150 psi.

You need to check the specs on your specific one to know if it is malfunctioning. There is a good chance it is not.

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Ridgid compressor wont shut off

by brian
(ramona ca)

I have a ridged of45175a that wont shut off.

Checked the owners manual and it said the problem was the pressure switch.

So I changed the switch but the same thing happened pressure would only build to 120 and the compressor wont shutoff.
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If the compressor tank pressure never reaches the normal cut out setting of the pressure switch, it is not the pressure switch that is the problem.

What is the cut out setting, please?

See the troubleshooting section for help with issues that affect all brands of compressors when they keep running but don't reach cut out pressure levels.

Bill

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Compressor fills up with air but wont shut down

My Ridgid Compressor will not shut off when it reaches the set psi. It will just keep running till I unplug it. Can this be fixed at a low price or should I buy a new one?
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If the compressor runs and runs until the PRV pops off, that suggests that the pressure switch - the switch that turns the compressor on and off depending on the pressure in the tank - has failed.

If the tank pressure never gets to the cut out pressure level to shut the compressor off, even if the air pressure is close, then you have a problem with your compressor. See that section on the sitemap page under troubleshooting.

Bill

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broken ridgid compresser

my ridgid compresser pops the motor overload button and wont build preassure it has little amount of hours on it why is this happenning?

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Bill says...

The motor overload button is often a thermal overload, meaning that your motor is overheating.

If that is the case with your Rigid compressor, then the motor is seeing a greater load than it should, is heating up as a result, and is popping off on thermal overload rather than allowing the heat to damage the motor.

You don't give me a whole lot of info to help you figure out what is going on.

How long does the compressor run from a cold start before the overload kicks off? During this period, do you have any compressed air pressure rising in the tank? Any unusual conditions about where the compressor is being stored or started? Any unusual noise when the compressor is trying to run?

A bit more information will help you and me try to figure out what is happening with your air compressor.

Cheers,

Bill

Comments for broken ridgid compresser

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Jan 11, 2011
to bill
by: Anonymous

thanks bill i will try your suggestions and fo rward the results. dave

Jan 05, 2011
reply to bills answer
by: Anonymous

my ridgid compresser pumps air to around 15lbs before it cuts out and the thermal breaker pops it has about 50hrs on it and has always been stored inside.i have no problems until last week .the breaker can be pushed back and it will start then pump for a few seconds and pop.thanks bill

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If you don't let it cool down, then pushing in the button and trying to restart it won't, normally, do anything. The button will just pop out again.

Any change in the number of electrical devices you have pulling power from the same circuit as the air compressor? An under-voltage powered motor, which can happen if other items are siphoning off power, runs hot. That might be it.

Can you disconnect the motor from the pump and run it again to see what happens? In the event the motor goes off on thermal overload again when it's decoupled, then for sure, it's to do with the motor.

How many capacitors does your motor have? If the run capacitor, assuming you have one, is failing, your motor will run hot.

If you decouple and the motor starts and runs fine, it might indicate a pump problem, or that might only mask the fact that the motor is failing, and if runs fine with no load.

It were me with this problem, I'd take the compressor into an electric motor shop and ask them to load test the motor and capacitor(s).

Cheers,

Bill


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