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paulohotline

Shaker Motor Now At Full Speed?

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Hey guys, my shaker motor all of a sudden started shaking at max power today and it's loud! I have one of these shaker motor speed controls installed so I am not sure how that pot moved on its own? Did the board just give out? Going to try to adjust the pot tomorrow to see if I can reduce the strength, otherwise I will have to reduce the intensity in DOF.

Anyone have any suggestions why this would happen?

http://www.zebsboards.com/index.php/category/feedback-controllers/miscellaneous-control-boards/shaker-motor-speed-control-detail

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Resolved by tightening screws around the shaker. I have 2 that will not fully tighten and 2 that tighten up tight.

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When it goes out of control like that it usually means that the ground on the speed control input is missing.  Check that the terminal screw or ground wire hasn't come loose.

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