Motor 1 not working Brand new V8 board

From the original Synthetos forum (2011–2025)

Started by MikeH on Sep 14, 2014 in TinyG Support. 3 replies, last activity Sep 14, 2014.

MikeH Sep 14, 2014 #

Hi guys

I have just received my first tiny g board, v8.

I have connected the motors and run the self tests. Motors 2,3 and 4 run well but Motor 1 does nothing. I have tried multiple good motors, and resetting the board.

The motor 1 LED does not light at all. I have voltage across all resistors and capacitors in the motor 1 rail EXCEPT R27, R28, C20, C21.

Any ideas out there or is my board a Dud :(

Thanks very much
Mike

cmcgrath5035Staff Sep 14, 2014 #

I does sound like a problem with the DRV8818 device.
If you want to further troubleshoot, schematics are here

https://github.com/synthetos/TinyG/tree/master/hardware/v8schematics/v8h

Are you sure Motor 1 is enabled?

aldenStaff Sep 14, 2014 #

Mike - please contact us offline for a replacement.

MikeH Sep 14, 2014 #

Thanks Guys

I have sent an email to your gmail address Alden.
Thanks very much for the fast replies!

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