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Thread: 609 Alarm B

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  1. 12-08-2010, 04:03 PM #1
    mite911
    mite911 is offline Registered
    Join Date
    Dec 2010
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    0

    609 Alarm B

    We are getting 609 Alarm B at powerup. Also OL2 led (The power board is overheated) on both sides of drive. The Alarm points to the drive being bad.
    This is a BLIID 30/30D drive that controls the ATC.
    The drive was sent to Okuma and the drive test good.
    Both motors have been megged and each leg tested at greater than 550 mega ohm to ground at 500v.

    We need some ideas.

    Thanks

    Okuma Model MC50VA
    OPS5020M
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  2. 12-08-2010, 07:44 PM #2
    Algirdas
    Algirdas is offline Member
    Join Date
    Mar 2009
    Posts
    1982
    1. Encoder.
    2. Cable.
    3. Connector.
    4. wiring in junction boxes
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