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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > Fanuc A20B 2101 0390 power supply control card problem
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  1. #1
    Junior Member
    Join Date
    Nov 2018
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    28

    Fanuc A20B 2101 0390 power supply control card problem

    Fanuc power supply control card A20B 2101 0390 is used for 24vdc and 5vdc. But it's 24bdc supply not taking load. After load decrease to 21.5vdc.

    Picture attached, for please suggest which components can make problem for 24vdc

    Sent from my SM-M317F using Tapatalk

  2. #2
    Registered
    Join Date
    Dec 2009
    Posts
    652

    Re: Fanuc A20B 2101 0390 power supply control card problem

    this board is not so expensive to buy from Fanuc.
    With giving back the old one ,you will get a discount for it and with around 500euro will have a new one,why bother to repair it and u do not know how long will hold.
    just an opinion.

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