Geeetech

Thanks John.

I found out what the problem was - I had put the X, Y and Z A4988s one pin to the right (and didn't see that under the LCD plug before turning it on). I destroyed two A4988s and possibly the RAMPS board.

I have tested the two remaining A4988s with an Arduino Uno and they work. I have ...

Hi,

I"ve just wired up my Acrylic Prusa i3 kit, checked the wiring and then turned it on. Instantly the A4988 on the X-axis started to get very hot (and it burned a hole in the chip), so it would seem that the A4988 or the RAMPS board has a short.

I took the X-axis A4988 off and retested, and it ...

Hi,

I"ve just wired up my Acrylic Prusa i3 kit, checked the wiring and then turned it on. Instantly the A4988 on the X-axis started to get very hot (and it burned a hole in the chip), so it would seem that the A4988 or the RAMPS board has a short.

I took the X-axis A4988 off and retested, and it ...