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Still having problems with 2388 concave indicator
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Mav
Posted 9/28/2020 10:17 (#8519445 - in reply to #8518672)
Subject: RE: Still having problems with 2388 concave indicator


I would think the error is happening because the resistance of the potentiometer is out of a desirable range for the monitoring system.

Sometimes, the ohm values of a potentiometer are given by the markings on it. That is the very first thing I would check... do that with a simple ohm-meter. If that checks out, then plug it back in and see how the monitor reacts to it when moving it manually by hand. Try to recalibrate at a spot where the error goes away, and see if the indicator starts showing a position change when it is moved. If the monitor shows it moving, then we are most likely dealing with an arm geometry problem. If there is no change, then I would suspect something going on with the wiring.

Mav





Edited by Mav 9/28/2020 11:38




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