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http://reprap.org/wiki/Prusa_i3
Re: Fried RAMPS of i3 clone? - 7 years ago
Thanks for the feedback. I have taken of the voltage regulator and diode D1 of the RAMPS in order to power the arduino from USB. This allowed the screen to seemingly turn back on to normal levels, however non of the steppers were working so I guess at this point it might be better to just order a new arduino-Ramps assembly possibly with some backup stepper drivers. It's a shame and will cost me lby Slayforfun - Prusa i3 and variants
Fried RAMPS of i3 clone? - 7 years ago
TLDR: extruder wasn’t working so I unplugged and reseated stepper driver (one pin too far towards the power connectors of my RAMPS 1.5 I guess). It caused an alarm and smoke. After this it wouldn’t turn on anymore except when the driver isn't inserted. And the LCD screen still doesn’t turn on then, only weakly when plugged into USB. Steppers for other axis are not working however. Did I fry my RAby Slayforfun - Prusa i3 and variants