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Thread: Powermax 1000 air pressure

  1. #1
    Join Date
    Oct 2021
    Location
    Longmont, CO
    Posts
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    Powermax 1000 air pressure

    This morning my Pmax 1000 would not cut due to low air pressure. If I turned my regulator down low, while the amp control was in gas test position, air would flow until I turned the regulator up to about 70 psi and then the solenoid would shut off and no air would flow. I suspect my solenoid in the manifold had failed. Do I need to replace the entire manifold? It looks like the whole unit should be replaced. Have I diagnosed this correctly?

  2. #2
    Join Date
    Oct 2021
    Location
    Longmont, CO
    Posts
    2
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    Re: Powermax 1000 air pressure

    Further info on this issue. I was able to cut later, if I kept the pressure at 60 - 65 psi. As soon as I turned it up, gas would flow in the test position, but the solenoid would shut off as soon as the flow was shut down, ie. turn gas test off and on or attempt to start a new cut. Could this be an overpressure sensor gone bad?

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