Instruction Manual

Troubleshooting and fault elimination
26
L
BA S’belt KE EN 1.0
7 Troubleshooting and fault elimination
If any disturbance should occur during operation of the drive system, please check the possible
causes using the following table. If the fault cannot be eliminated by means of one of the listed
measures, please contact Lenze Service.
Fault Possible cause Remedy
Drive does not start No or faulty connection of main motor Check motor connection
Clearly audible running noise V-belt runs on hub base, wrong adjustment of speed
limit
Correct adjustment of speed limit
Speeds indicated on the nameplate cannot be
r
e
a
c
h
e
d
Wrong adjustment of speed limit Correct adjustment of speed limit
r
eac
h
e
d
Wrong V-belt Use V-belt which corresponds to compact unit
Position indicated on handwheel does not correspond
to output speed
Wrong assembly of position indicator Assemble position indicator at adjustment of max.
output speed
Motor of electric remotecontrol does not rotate Adjustment spindle is stalling To do this, remove the plastic plug at the rear side of
the adjustment motor.Loosen via the central thread
of the motor shaft.
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