The back light on my LED controller won't turn on when I plug it in.

New Home Forum Mostly Printed CNC – MPCNC Troubleshooting – MPCNC The back light on my LED controller won't turn on when I plug it in.

This topic contains 2 replies, has 3 voices, and was last updated by  Gannicus 1 year, 5 months ago.

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  • #12081

    Tom
    Participant

    I just install the LED Controller on my new machine and back light doen’t work but the contrast is fine. I bought everything but the printed parts from here. Can someone tell me how to fix it or show me where to find out about how to fix my situation… Thanks!

    #12096

    Ryan
    Keymaster

    Its probably the ramps board, the traces for the LCD connector are on the very edge of the board and get easily damaged. This is something I only started testing my Ramps for in the last 2 batches of boards. Sorry for the hassle, I sent you an email last night.

    #12103

    Gannicus
    Participant

    I’ve had two of these both from different sources over the years come up bad. It happens.

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