Troubleshooting
[B2000171_1] - EN / 20.12.11 Page 10 of 12 Subject to change without notice.
8 Troubleshooting
CAUTION
Personal injury or property damage during
troubleshooting!
Problems without a reference to a quali-
fied specialist or certified electrician may
be rectified independently.
Other problems are only to be dealt with
by a qualified specialist or certified electri-
cian.
Problem Possible causes Remedy
Motor is not operating Motor is malfunctioning Motor change (specialist only)
On-site motor connection is incorrect Reconnect as per wiring diagram (certi-
fied electricians only)
Motor thermal protection switch has
triggered
Wait 10 to 15 minutes, then try again
Then try again
There is no current Check the power supply fuse (certified
electricians only)
A higher-level control command is pre-
sent
Await switch on/off delay
Drop rail does not move to the
required limit position
The limit positions on the motor are
incorrectly set
Readjust the motor (specialists only)
Drop profile is moving at a slant The guide rails are not aligned (uneven
substructure)
Align the guide rails (specialists only)
The guide rails are not correctly posi-
tioned
Check the guide rails
Correct if necessary (specialists only)
Tab. 2: Overview of possible problems
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