Troubleshooting
Translation of the original instructions
June 2018
Page 24 of 47
Module 115/42 (B)
MAN_EN_1057398_Module115-42(B)_R3b.doc
Troubleshooting, continued
Interference
Reason
Correction
Linear drive unit
does not move
Error in power electronics or
control unit
Check the power electronics or the control unit
Motor cable defective
Check motor cable, replace cable, if required
For belt gear: Toothed disc
slips through
Engage clamp set tightly and secure screws with
threadlocker.
For planetary gear: Clutch
between motor and planetary
gear slips
Engage clutch tightly and secure screws with
threadlocker.
For motor with brake: Brake
does not disengage
Apply current to the brake, if the brake still does
not open, replace motor
Play on reversal Gearbox toothed belt not
tensioned
Tension gear toothed belt
Motor toothed disk has play
(key connection)
Replace motor toothed disc if motor shaft keyway
is damaged, replace motor
Tension drive toothed belt
Linear drive unit
moves
mechanically
against the stop
during the
reference run
Incorrect direction of rotation
Change motor direction of rotation
Broken motor cable
Replace cable