29
9.0 M alfun ction s
9.1 Malfunction table
Malfunction
Possible cause
To repair malfunction
To be repaired by
The telescopic pillar
does not move
Control unit not operational
Check mains power connection to control unit
Professional
electrician
Ensure that the operating device is connected
correctly to the control unit
Qualified personnel
Ensure that the current limit of the control unit
matches the requirements defined in this manual
Qualified personnel
Consult the operating manual of the control unit Qualified personnel
Operating device defective
Replace operating device
Qualified personnel
Consult the operating manual of the operating
device
Qualified personnel
Poor connector contact to control unit Ensure that the connector is inserted correctly
into the control unit
Operator
Incorrect load
Ensure that the load of the pillar does not exceed
the load limit in the technical specification
Qualified personnel
Obstacle in the stroke area of the
device
Remove all obstacles in the stroke area
Operator
Cable defective
Check cable for squeezing, tearing or other
damage
Professional
electrician
Motor has stopped due to high
temperature safety shut off
Observe duty cycle in technical specification.
Wait 20 minutes and try again.
Qualified personnel
Device cannot be set in motion by any
of the suggested repair measures
Contact Ewellix service
Qualified personnel
Lifespan of the drive is exceeded
Replace the drive, if the drive is older than 10
years
Qualified personnel
The telescopic pillar only
operates in one direction
Telescopic pillar reached internal end
limit switch
Operate in other direction
Operator
Control unit malfunction
Consult operating manual of control unit
Qualified personnel
Operating device malfunction
Consult operating manual of operating device
Qualified personnel
Obstacle in the stroke area of the
device
Remove all obstacles in the stroke area
Operator
The telescopic pillar
stops before reaching its
maximum stroke
Control unit cuts off power
Ensure the centric and eccentric load does not
exceed the load limits given in the specification
Qualified personnel
Obstacle in the stroke area of the
device
Remove all obstacles in the stroke area
Operator
Significant reduction in
speed of movement
Incorrect load
Ensure that the load of the pillar does not exceed
the load limit in the technical specification
Qualified personnel
Obstacle in the stroke area of the
device
Remove all obstacles in the stroke area
Operator
Motor, gearbox or nut defective
Contact Ewellix service
Qualified personnel
Incorrect voltage set
Ensure the correct voltage is set
Qualified personnel
Significant increase in
noise during operation
Incorrect load
Ensure that the load of the pillar does not exceed
the load limit in the technical specification
Qualified personnel
Obstacle in the stroke area of the
device
Remove all obstacles in the stroke area
Operator
Motor, gearbox or nut defective
The pillar must not continue to be operated.
Contact Ewellix service.
Qualified personnel
Play in the guiding
system
Sliding elements are worn
Replace drive unit
Qualified personnel
Drive unit vibrations
during movement
Incorrect service load
Ensure that the load of the pillar is in the optimal
range (no over- or underload) as defined in the
technical specification
Qualified personnel
Wear or failure in the mechanical brake Contact Ewellix service
Qualified personnel
9.2 Start of operation
after malfunction repair
To restart device following repair of the malfunction, perform
the steps described in ⮑ 6.3.2 Installation steps, page 20.
