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  1. #1
    Join Date
    Feb 2011
    Posts
    0

    Hitachi Sieki VM 40 PC not ready-slbus error

    My company has a VM40 that ran fine until an eletrical spike. When machine powers up we get PC not ready and slbus error, slbus data is there but scrambled, tried typing data and numbers typed in as small letters. Seams like ladder is partially there not complete, several service companies tell us it could be Micon Board or Seicos board. Any help with this would be appreciated, we are a small shop and need this machine running. Boards seem to be hard to find and expensive.

  2. #2
    Join Date
    Nov 2006
    Posts
    3
    Hi, We have the same problem when change the battery. Do you have the solution? Thanks!

  3. #3
    Join Date
    Oct 2008
    Posts
    6
    It seems the machines have lost it parameters, keep relays and timer/counters settings.
    You might have the backup. Re-setting of the parameters might help

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