Search found 3 matches

by andrewm
Fri Feb 27, 2015 3:09 pm
Forum: Stepper Motor
Topic: Short in A4988 / RAMPS board
Replies: 3
Views: 8019

Re: Short in A4988 / RAMPS board

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 ...
by andrewm
Sat Feb 21, 2015 8:32 pm
Forum: Stepper Motor
Topic: Short in A4988 / RAMPS board
Replies: 3
Views: 8019

Short in A4988 / RAMPS board

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 ...
by andrewm
Sat Feb 21, 2015 8:30 pm
Forum: Stepper Motor
Topic: Short in A4988 / RAMPS board
Replies: 0
Views: 4275

Short in A4988 / RAMPS board

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 ...