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IndustryArena Forum > CNC Plasma, EDM / Waterjet Machines > General EDM Discussion > Fanuc Robocut alpha A01B edm power doesn't start.
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  1. #1
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    Fanuc Robocut alpha A01B edm power doesn't start.

    Hello!
    I was happy operator of my "new" robocut till today. I need to cut 10 simple pieces, after third one machine finished normally, but when I tried to start cutting another one it just didn't go. When I was starting program feed hold was turning on. So i double checked why this can happen and It occured that EDM POWER just did not start. No alarm occured or anything like that, just generator doesn't start. My first thought is the relay but i just don't know which one is responsible for turning the generator on.
    I would be gratefull for any help or ideas.

  2. #2
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    Mar 2016
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    261

    Re: Fanuc Robocut alpha A01B edm power doesn't start.

    I was digging a little, and looks like PMC ladder works ok. While EDM POWER button pressed looks lika this:

    but after button release the line becomes green again.
    now the question is: How to find output signal described as WONS. on the output board?
    Is there any available diagram of FANUC PMC bards or at least IO board A16B-1100-0450/01A?

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