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Faults
Output shaft does
not turn when the
motor is running.
Geared motor only
starts with difficulty
or not at all.
Excessive play at
drive input and
output.
Speed and torque
drop.
BA 2030
Operating Instructions, 11/2017, A5E37880173A/RS-AE
Causes
Force flow interrupted by breakage in
gearbox.
Incorrect oil level for the mounting
position being used.
Incorrect oil being used (e.g. incorrect
viscosity).
Excessive external load on the drive
input and output.
Motor brake is not released.
Geared motor runs against backstop.
Flexible elements worn (e.g. on
couplings).
Positive connection disrupted by
overload.
Belt tension too low (for belt drive).
Faults, causes and remedies
Remedy
Call Technical Support.
Check the mounting position (Page 95)
and the oil level (Page 67).
Checking the oil quality (Page 71).
Check the load against rated data (you
might need to correct the belt tension,
for example).
Check circuit / connection of brake.
Check brake for wear and readjust if
necessary.
Change the direction of motor or
backstop rotation.
Replace flexible elements.
Call Technical Support.
Check the belt tension and replace belt
if necessary.
63
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