Question about Ingersoll Rand Type 30 Reciprocating Air Compressor 5 Hp, 80 Gallon, 230 Volt 3 Phase, Model# 2340N5

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Ingersol T30 won't shut off and blows pressure release valve

Ingersol Rand T30 keeps pumping and won't shut off and pressure release valve blows and keep running. I replaced the pressure release switch and it didn't help. Any suggestions?

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  • dldlmoody May 18, 2009

    Don't know where the safety disconnect is at?

  • Bruce Volkers
    Bruce Volkers May 11, 2010

    Is there any sort of shutoff for servicing or for in case something like this happens? It should be a lockable safety switch with a lever on the outside so that a maint. person can lock it out for personal safety.

  • Bruce Volkers
    Bruce Volkers May 11, 2010

    Can you tell if the contactor opens when you turn off the safety disconnect?



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The wire juction box on your compressor has a pressure switch that may be wound in to tight take the cover off the box there should be a switch with a machine screw with nut and washer and spring back this nut off and see if that helps if you go to far you just crank it back in until the switch hit although it may be the other way around you may have to tighten to lower the pressure some of them are made that way if this does not solve your problem send me a picture of the switch and can solve it from there

Posted on Jun 26, 2009

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Either you've got a bad pressure switch, or possibly the wiring is not hooked up right. I assume it's wired 220 L1 and L2 are your main power supply, T1 and T2 go to the motor(on my compressor not IR though).

Posted on May 18, 2009


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