Home Forums Prusa i3 Building Prusa I3 – No LCD display

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This topic contains 4 replies, has 4 voices, and was last updated by  seanzy 3 months, 2 weeks ago.

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  • #4003

    fl0PPsy
    Participant

    I’ve just finished building my Prusa I3 bought from the Official Store. Its the new 1.75mm version.

    When I turn on the power on the PSU, the LCD panel lights up and displays 2 horizontal rows of black rectangles with a blank line between them and thats it. Nothing else is displayed and nothing else happens (ie no fans start and there is no movement.). I’ve double checked the LCD cables and they seem to be correct as per the build manual at manual.prusa3d.com.

    Has anyone else encountered this?

    #4004

    fl0PPsy
    Participant

    **Update**

    Ok I’ve managed to fix this problem by following a suggestion made in the following thread.

    http://shop.prusa3d.com/forum/prusa-i3-kit-building-calibrating-first-print-main-f6/lcd-screen-powers-on-but-only-shows-2-rows-of-blac-t311.html

    I swapped both LCD cabled around and now I the display comes up when I turn on the printer.

    #4588

    ryancrissey
    Participant

    For those looking, I had the same issue, and found a different solution / cause.

    It was working fine, until I updated some code and the version of Arduino I was running. Code all worked, but it’s important to use the correct version of Arduino for your board.

    #4591

    jacobiangivonitis
    Participant

    I have the same problem but neither of these solutions are working.

    #4923

    seanzy
    Participant

    Not getting any response from from my LCD board.
    Light turns on on power supply and the fan turns on and that’s it.
    Cannot get it to be recognized by my pc either.
    Any suggestions?

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