Fan stoped working
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Sure, the Duex and Duet should have a common ground anyway, so wiring the fan between Vfan/Vin on the Duet and Fan- on the Duex should work. But determining what shorted out the other mosfets in the first place might be prudent. (ofc sometimes things just fail because reasons)
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@bearer Cool... I will follow that way. I need that printer to continue the other build. I can debug the other problem in the future if I have some spare time.
I was a very good idea to by the Duex. That saved my ass a couple of times now.
Thanks for you help!
Cheers, Chriss
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Use Vfan if you can, it gives you the benefit of the 1A fuse for the fans, or add your own fuse.
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@bearer
This is, indeed, a very good idea.