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  1. #1
    Join Date
    May 2009

    401 VRDY ALARM

    Dear All
    I have problem with Kia KIT30A Fanuc O Mate T
    when I turn the machine on works normal for about 20 second than display alarm 401 [move axis or not] and on the servo regulator it turned on two red Led diode one of them TGL and the other DC. Checked power between theree phase 190 V.AC and control power of driver unit 105 VAC
    p.s: Two axis drive by one driver.
    can anyone help
    best regards

  2. #2
    Join Date
    Nov 2010
    Check the motor and feedback cables are good and connectors are tight.

  3. #3

    Join Date
    Sep 2020

    Re: 401 VRDY ALARM

    buen día
    tenemos un problem acon un servomotor de un Torno Fanuc donde presenta un error 401

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