Rotary indexing ring NR
Troubleshooting
Issue Cause Remedy
■
Verify that the output flange/
rotary ring is not mechanically
blocked at the top or the
underside
■
Remove the cause of the
block
Output flange/rotary ring are
mechanically blocked
■
Check the gap between the
rotary ring and stationary plate
for extraneous objects
■
Remove extraneous objects
Pollution between rotary ring
and stationary plate
■
Dismount the stationary plate
and the rotary ring and clean
the plate and the ring
■
Perform a test run without
rotary ring and stationary plate
During initial commissioning:
The output flange/rotary ring is
subject to mechanical tension
■
Verify that the mounting site
is level und verify correct
mounting
■
Verify the installation
Output flange overtravels a po-
sition
■
The rotary switch (controller
board) is set to an
excessively high stop delay
time
■
Holding brake is worn
■
If the position is overtraveled
from time to time (but at an
increasing frequency), this
may be caused by contact
erosion or wear of the holding
brake
■
Contact erosion at motor
contactor
■
Set a correct stop delay time
with the rotary switch
Modifications to the time
setting remedy this condition
only for a short period of time
■
Replace the holding brake
■
Replace the motor contactor
(use a semiconductor relay, if
required)
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