36
GB
15 Troubleshooting
In case of any malfunctions not mentioned here, contact your dealer‘s after-sales service.
Malfunction
Possible cause
Remedy
Danger class
The hydraulic pump
does not start
No electric power
Check cable for electric
power
Risk of electric shock.
This job must be done by a service
electrician.
Thermal switch of motor
cut off
The thermal circuit breaker
will switch back on after the
motor cooled down. The
motor can be restarted.
The column does not
move down
Low oil level
Check oil level and refill
Risk of getting dirty.
This job can be done by the
machine operator.
One of the levers not
connected
Check fixing of lever
Risk of getting cut.
This job can be done by the
machine operator.
Dirt in the rails
Clean the column
Motor starts but
column does not move
down
Wrong turning direction
of 3-phase motor
Phase inverter:
Check turning direction of
motor and change
Wrong turning direction may
damage the pump
Maintenance and repairs
All servicing jobs must be executed by specialized personnel under strict observation of the present operating instructions.
Before every work, every possible caution must be taken: Switch off the motor, disconnect the power supply (pull
the plug, if necessary).
Attach a board to the machine explaining the reason for being out of order: “Machine out of order
due to servicing work: Unauthorized people must not come close to the machine or switch it on.”
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