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Table Relay Humming

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  • Table Relay Humming

    Table relay humms when NC contacts are engagded. Have omega-tek board conversion. problem is not in the machine not in machine. Changed table contacts & relay, replaced all burnt pins, and the table varisitor.

  • #2
    Re: Table Relay Humming

    Maybe it just doesn't know the words? :p

    Need a bit more info... you're saying the contactor hums when it's just sitting there (the NC contacts)? Or when it's pulled in?

    Is it actually causing a machine problem, or is it just humming/buzzing and being generally annoying?

    If it works, but buzzes when it's pulled in, it's usually just an alignment problem with the contact banks.
    <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

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    • #3
      Re: Table Relay Humming

      I'm sorry, the NO contacts hum when the relay is engaged. Now that I think of it, they were not aligned right. Thanks for the help.

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      • #4
        Re: Table Relay Humming

        Sounds like you are using the old style AB contacts available aftermarket. Use a good new style AB - should eliminate the hum...I stopped using the old style replacements about 5 years ago...just n/g.
        I've had enough of hope & chains.

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