Troubleshooting; Possible Causes And Correction - PI L-406 Series User Manual

8 Troubleshooting

8 Troubleshooting
8.1

Possible Causes and Correction

Problem
Reduced positioning
accuracy
Function impairment
after system
modification
Mechanics do not
move; no operating
L-406 Compact Linear Stage
Possible causes
Warped base body
When the L-406 is mounted
vertically: The load exceeds
the self-locking of the drive.
Increased wear due to small
motion over a long period of
time
 Controller was replaced.

L-406 was replaced with
another model.
Controller not correctly
connected or defective.
Solution
 Mount the L-406 onto a flat surface. The
recommended flatness of the surface is
≤ 10 µm.
 Reduce the load. Make sure that the self-
locking (see specification of the holding
force in the data table (p. 43)) of the
drive is not exceeded.
 Perform a maintenance run over the
entire travel range (p. 35).
Controller from PI:
 Load the parameters from the positioner
database that correspond to the
combination of controller and L-406
model.
Controller from a third-party supplier:
 Check the operating parameters.
 Check all connecting cables.
 Check the controller.
MP150E Version: 1.1.0 39