Novoferm NovoDock L320e, Manual

Page: 35 / 144

EN - 35
These assembly, operation and maintenance instructions must be kept for the entire period of use!
6 Troubleshooting
Malfunction Cause Measure
Dock leveller platform
cannot be lifted and the
electric motor does not
operate main switch is switched off Switch on the main switch.
mains voltage failed Establish voltage supply.
Dock leveller platform
cannot be lifted but
electric motor operates counterclockwise rotating
field • switch the control unit off
• exchange two phases of the mains voltage
• switch the control unit back on
load on dock leveller Remove the load from the dock leveller.
mechanical locking Ensure the dock leveller platform's ease of
movement.
hydraulic leak Check the hydraulic system for leaks.
Dock leveller platform
cannot be lifted completely mechanical locking Ensure the dock leveller platform's ease of
movement.
Dock leveller platform
cannot be lowered mains voltage failed Establish voltage supply.
the yellow warning indicator
flashes in the display of the
Novo i-Vision control unit
(restart lock is active) Briefly press the "Lift" button on the control unit.
active mechanical
emergency stop valves in
the lifting cylinders • Switch the control off and back on again.
• Briefly press the "Lift" button on the control
unit.
• If troubleshooting is unsuccessful, contact the
service department.
Dock leveller platform
remains in highest
position, cannot be
lowered active mechanical
emergency stop valves in
the lifting cylinders • Switch the control off and back on again.
• Briefly press the "Lift" button on the control
unit.
• If troubleshooting is unsuccessful, contact the
service department.
Hinged lip does not fold
out operating error Move the dock leveller platform into the highest
position and keep the "Lift" button pressed on the
control unit. The hinged lip then folds out
automatically.
mechanical locking • Make sure that the hinged lip runs smoothly.
• Check the piston rod of hinged lip cylinder for
damages.
• If troubleshooting is unsuccessful, contact the
service department.
hydraulic leak Check the hydraulic system for leaks.
Hinged lip does not fold in mechanical locking • Make sure that the hinged lip runs smoothly.
• Check the piston rod of hinged lip cylinder for
damages.
• If troubleshooting is unsuccessful, contact the
service department.
hydraulic leak Check the hydraulic system for leaks.