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IndustryArena Forum > CNC Electronics > Rutex Products > Servo Drives > Yaskawa Varispeed 626VM3 Fault A00
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  1. #1
    Join Date
    Nov 2019
    Posts
    9

    Yaskawa Varispeed 626VM3 Fault A00

    I have a problem with Varispeed 626VM3 ..
    F-A00 Fault
    Please help?
    What I need to do??

  2. #2
    Join Date
    Jan 2005
    Posts
    15362

    Re: Yaskawa Varispeed 626VM3 Fault A00

    Quote Originally Posted by milos2711 View Post
    I have a problem with Varispeed 626VM3 ..
    F-A00 Fault
    Please help?
    What I need to do??
    Sounds like you may have a main Capacitor problem, the main Capacitors are not charging up correctly
    Mactec54

  3. #3
    Join Date
    May 2022
    Posts
    1

    Re: Yaskawa Varispeed 626VM3 Fault A00

    Quote Originally Posted by mactec54 View Post
    Sounds like you may have a main Capacitor problem, the main Capacitors are not charging up correctly
    Did you ever find the cause of the F-A00 fault on the Yaskawa drive? I have the same alarm.

  4. #4
    Join Date
    Jan 2005
    Posts
    15362

    Re: Yaskawa Varispeed 626VM3 Fault A00

    Quote Originally Posted by BoyceMachine View Post
    Did you ever find the cause of the F-A00 fault on the Yaskawa drive? I have the same alarm.
    Same problem then the main Capacitors have not charged on power up, could be just the caps need replacing, which is normal, or the rectifier on the input circuit has given up, there are more parts to the input circuit anyone could have failed, how have you been powering the VFD Drive

    Input Rectifier
    Pre-charge Circuit
    Bus
    Capacitors
    Mactec54

  5. #5
    Join Date
    Nov 2019
    Posts
    9

    Re: Yaskawa Varispeed 626VM3 Fault A00

    yes i solved the problem.
    one of the capacitors or resistors was replaced on the board and then it worked

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