PI L-412 9054 Series, User Manual

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9 Troubleshooting
The positioner does not move
Cable not connected correctly ►
Check the cable connections.
The electronics or mechanics were replaced ►
Run the startup (p. 25) once again.
Electronics not connected correctly ►
Check all connecting cables (p. 23) .
Defective electronics ►
Check the electronics.
The positioner was connected to the switch-
ed-on electronics ►
Switch the electronics off and on again or restart
them with the
RBT
command or with the corre‐
sponding PC software function.
Incorrect configuration ►
Check the L‐412.xx9054's parameter settings in
the electronics connected and make the appro‐
priate corrections.
Incorrect command or incorrect syntax ► Send the ERR? command in the PI electronics
and check the error code .
Incorrect axis or channel commanded
►
Make sure that the electronics use the correct
axis respectively channel identifier.
Reduced positioning accuracy
Excessive load
►
Do not exceed the maximum permissible loads
according to the specifications (p. 32) .
When the L-412.xx9054B is mounted vertical-
ly: Load exceeds the holding brake's holding
force
►
Make sure that the brake's holding force (p. 32)
is not exceeded.
Warped base body
►
Mount the L‐412.xx9054 onto an even sur‐
face (p. 18) .
Increased wear due to small motion over a
long period of time
►
Perform a maintenance run (p. 27) .
Uncontrolled oscillation
Large changes to the load or the alignment
of the L-412.xx9054
►
Switch off the servo control system or the con‐
troller immediately.
►
Check whether the servo control parameter set‐
tings correspond to the selected closed‐loop
control mode; see user manual for the controller.
►
If necessary, correct the settings of the servo
control parameters.
9 TROUBLESHOOTING L412UM0004EN
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10/24/2022
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