(Topic ID: 175517)

Scared stiff stepper motor board problem.

By Faith452

7 years ago



Topic Stats

  • 5 posts
  • 2 Pinsiders participating
  • Latest reply 7 years ago by bigd1979
  • Topic is favorited by 2 Pinsiders

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#1 7 years ago

Hey guys

Im having an issue with my scared stiff the spider wont spin ive changed the motor it doesnt fix it, i tested the voltage on the board and there is constantly 8 volts on both sides thus why the motor is locked in place I went to the spider test in the menu this voltage doesnt seem to change

On the board itself i have noticed that d1 d3 d5 d7 q2 q1 q4 q3 are not acting correctly both the transistors and diodes allow current to flow both ways, i have taken out all of these components and individually tested them and they test correct like there is no issue when out of the board.

So then i figured it might be the lm339 ic at u2 so i replaced that still no dice. Where do i go from here?

image (resized).jpgimage (resized).jpg

#3 7 years ago

Found this also...D-12046 (resized).pngD-12046 (resized).png

#4 7 years ago

I was useing that thread to troubleshoot from the begining unfortunately the guy that was haveing a similar problem to me didnt post a solution.

#5 7 years ago
Quoted from Faith452:

I was useing that thread to troubleshoot from the begining unfortunately the guy that was haveing a similar problem to me didnt post a solution.

Yea not much on the board and motor unfortunately......

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