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Ramps 1.4 wierd black screen

Posted by Rooski 
Ramps 1.4 wierd black screen
March 25, 2016 02:50PM
I have one of those generic white pcb screen connected to my ramps , whenever i connect the usb to my PC each character position slowely starts turning black until it reaches its max contrast. when i unplug the usb it goes back to displaying the printer stats, if i try and connect to the printer in repetier it never gets a reading from the thermistors after if you unplug the usb so you can see the characters on the display it says err: mintemp.

Ive looked into this and only thing ive found is a comment by someone on another site saying it means the arduino might be going bad, i dont have another one on hand to test so i figured id ask what do you guys think ?
Re: Ramps 1.4 wierd black screen
March 29, 2016 03:23PM

any thoughts?
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