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Thread: Matsuura MC760VDC Spindle Problem (Code)

  1. #1
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    Default Matsuura MC760VDC Spindle Problem (Code)

    Hello All.

    First time post, but long time machine owner. Just finally tired of shelling out money to Fanuc for simple fuses, relays, etc

    My latest issue is that when I try to run the program, the axis move into position, but spindle will not start. It then shuts the hydraulic pump down. There is no alarm code on the screen, instead the LED lights in the control box indicate Code No. 3 - Fuse in DC link is blown out (as per the manual). This lamp indicates the fuse in DC power supply is blown out.

    Can any one tell which and where is the DC power supply for the spindle drive? Is it on the board or somewhere else on this '82 model?

    Thanks a bunch fellas!!!!

  2. #2
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    Default Re: Matsuura MC760VDC Spindle Problem (Code)

    Typically an error for the fanuc that has the DC link blown fuse error is internal on the drive itself. First power down the machine then power just the breaker on. Do not run the spindle and take a look at the drive. Does the error appear on the drive even if the machine is not commanded to turn? If it is then it is for sure a problem in the drive and even if it isn't I'd still be willing to bet its the drive. Also what fanuc control model is this?

    Petro


    _____________
    Daito Fuses

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