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MPM UP2000 HiE Z axis software limit

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kpm

#61173

MPM UP2000 HiE Z axis software limit | 19 February, 2010

When I try to load a board in our MPM UP2000 HiE I get the following error "Z axis software limit". The Z axis will move up and down freely, I re-calibrated it and reprogrammed the board and the error continues. Has anyone else run into this issue and know how to fix it. New Symptom--When you manually bring the Z-axis up when it reaches the top limit of its stroke instead of stopping it falls, violently to the bottom and the will keep going up.

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#61191

MPM UP2000 HiE Z axis software limit | 22 February, 2010

Check/reseat all connections on axis driver card and from driver card to step motor. On older MpM's it is common to get a bad connection on the connector for axis driver power and blow components on your driver board. Reseating these connectors might just solve your problem. If no resolve, replace or swap axis driver. If no help, replace stepper motor + check integrity of ball screw parts (cracked z-drive frame, damaged internal parts, etc).

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