26
CA S M
9.1 Malfunction table
Malfunction
Possible cause
Repair malfunction
To be repaired by
Linear actuator
doesn’t move
Obstacle in the stroke area of the linear
actuator.
Remove all obstacles in the stroke area.
Operator.
Incorrect load.
Measure static and dynamic load and compare
with information concerning the product label.
If the load capacity is exceeded, check the
nominal load and install stronger actuator if
necessary.
Qualified personnel.
Lifespan of the device is exceeded.
See performance diagram in the CASM
brochure.
Qualified personnel.
Linear actuator cannot be set in motion
by any of the above listed measures.
Exchange device.
Qualified personnel.
Linear actuator cannot
be lifted
Obstacle in the stroke area of the linear
actuator.
Remove all obstacles in the stroke area.
Operator.
Incorrect load.
Remove all loads that are on the elements.
Operator.
Defective screw nut.
Exchange device.
Qualified personnel.
Significant reduced speed Obstacle in the stroke area of the linear
actuator.
Remove all obstacles in the stroke area.
Operator.
Incorrect load.
Remove all loads that are on the elements.
Operator.
Defective motor, gear or screw nut
Exchange device.
Qualified personnel.
Significant increase of
noises during operation
Obstacle in the stroke area of the linear
actuator.
Remove all obstacles in the stroke area.
Operator.
Incorrect load.
Remove all loads that are on the elements.
Operator.
Defective motor, gear or ball screw
nut.
Exchange device.
Qualified personnel.
9.2 Start of operation
after fixing malfunction
After the malfunction has been fixed, perform the steps from
the chapter Installation prior to restart.
