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    Prusa i3 won't power on

    Just got the geeetech Prusa i3 and it won't power on. Any ideas?
    Last edited by Admin; 02-20-2018, 03:04 PM.

    #2
    Check your cable connections. Start with the power and ensure it is the correct ports for your board. Also some boards have a jumper for selecting USB or the Power Supply. If you have, ensure that it is in the power supply position.

    Also does your power supply turn on but not the printer?

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      #3
      Thanks for the reply. I unplugged and replugged everything and got it turned on. Now when I go auto home the z axis binds at the bottom 2/3 inches and won't move. It did fine above that.

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        #4
        I had similar issues when I built mine. First off ensure both Z rods are straight and the X carriages are as level as you can get them. Also someone here told me to lubricate the rods. I used white lithium and this problem went away. I know others needed to adjust the current supplied to the motor using the trim pot on the board (research this before you do it).

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          #5
          https://vimeo.com/152849816

          Thank you. Here is a video of what it is doing. Is WD40 ok to use? Otherwise I'll go to the store.

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            #6
            3 in 1 oil is what I used. But I am thinking about using silicone next

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              #7
              WD40 is not a lubricant. Get some 3 in 1 oil... or silicone grease if you can find it. Check the z axis height on both sides and make sure they are the same. My machine did that when the level was off. Measure the height from the top of the stepper mount to the bottom of the z carriage where the threaded rod goes in. Both sides should be exactly the same.

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                #8
                Originally posted by michael.beach.5836 View Post
                https://vimeo.com/152849816

                Thank you. Here is a video of what it is doing. Is WD40 ok to use? Otherwise I'll go to the store.
                wow, that sounded terrible.

                As @AppleKeith suggests both sides of the z-axis have to be level, which can account for the squeaking. not too sure what happens at the end, is it getting stuck at a certain point as it moves down the z-axes?

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                  #9
                  I would check the measurements on both sides and use some 3 in 1 oil on the threaded rod as well... It definitely sounds like it is skewed a bit to me.

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                    #10
                    Thank you all. I have made sure it is level. Added some oil and it works fine. Thanks!

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                      #11
                      hey i recently bought the geeetech prusa i3 x and the LCD isnt powering on. The switch has a light on yet no power in LCD

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