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Thread: Mitsubishi FX10K - U700 error

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  1. 07-13-2018, 11:18 AM #1
    4d53
    4d53 is offline Registered
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    Mitsubishi FX10K - U700 error

    Hello!

    I have problem with Mitsubishi FX10K from 2001, on pressing ready button U700 error is appearing.
    I have found out that BKO-R8784 give only 240V, 150V only appear for 1s and fade to 0v after power is turned on and off.
    What can cause this problem? Is there any solution?
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  2. 07-24-2018, 12:57 PM #2
    4d53
    4d53 is offline Registered
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    Re: Mitsubishi FX10K - U700 error

    Problem was power supply controling board, one of resistor solder path near connector to power supply was broken.
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  3. 12-03-2021, 02:14 PM #3
    tuncerdemirtas1974td
    tuncerdemirtas1974td is offline
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    Quote Originally Posted by 4d53 View Post
    Problem was power supply controling board, one of resistor solder path near connector to power supply was broken.

    I also have an FX 20K wire erosion machine. U700 gives wrong PWR SUP error. Could it be the same problem as yours? Can you help me. Can you send a photo of where this card is? I would really appreciate if you can help.
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