Hi everyone, ^^

I have just finish to built my own 3D printers : a µdelta Original with a ramps 1.4.
Everything is ok when I Upload the firmware on my Arduino, it start but I have 2 problems :
-> My first and main problem is that : when I touch a endstop (X, Y or Z), the printer stop immediately, and I don’t know why…

-> My second problem : My LCD screen is only blue without any text…

If someone has an idea of the problem, please help me…
Thank you for your time

PS : the software than I use is here : https://github.com/eMotion-Tech/uDelta/tree/master/Software/Preconfigured_firmwares/Repetier_RAMPS_LCD/Repetier

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