Controller cooling fans

Should the cooling fans on the controller run anytime the controller is on or are they thermally controlled?

100% on when the controller is on.

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What was the reason to add a fan as the buildbotics box is fabless? Is it due to driver or rasppi temps?

:thinking: Mine comes on and off like it was controlled. :man_shrugging:

Figured it out the wire was loose inside the pen going to the connector. I just soldered the connection.:+1: