Troubleshooting - Novoferm NovoDock L530 Original-Montage- Und Betriebsanleitung

6

Troubleshooting

Malfunction
Loading bridge platform
cannot be lifted and the
electric motor does not
operate
Loading bridge platform
cannot be lifted but
electric motor operates
Loading bridge platform
cannot be lifted completely
Loading bridge platform
cannot be lowered
Loading bridge platform
remains in highest
position, cannot be
lowered
Lip leveller does not
extend
Lip leveller does not
retract
These assembly, operation and maintenance instructions must be kept for the entire period of use!
Cause
main switch is switched off
mains voltage failed
counterclockwise rotating
field
load on loading bridge
mechanical locking
hydraulic leak
mechanical locking
mains voltage failed
Restart lock active (yellow
warning indicator on the
display flashes (Novo i-
Vision) or red warning
indicator on the display is lit
permanently (Supervision))
active mechanical
emergency stop valves in
the lifting cylinders
active mechanical
emergency stop valves in
the lifting cylinders
Operating error
Mechanical locking
hydraulic leak
Mechanical locking
hydraulic leak
Measure
Switch on the main switch.
Establish voltage supply.
• switch the control unit off
• exchange two phases of the mains voltage
• switch the control unit back on
Remove the load from the loading bridge.
Ensure the loading bridge platform's ease of
movement.
Check the hydraulic system for leaks.
Ensure the loading bridge platform's ease of
movement.
Establish voltage supply.
Briefly press the "Lift" button on the control unit.
• 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.
• 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.
The button for extending the lip leveller will only
be released if the loading bridge has been lifted
for approx. 2 seconds ("Lift" button). Press the
"Extend" button afterwards to move the lip
leveller.
• Make sure that the lip leveller runs smoothly.
• Check the piston rod of the lip leveller
cylinder for damage.
• If troubleshooting is unsuccessful, contact the
service department.
Check the hydraulic system for leaks.
• Make sure that the lip leveller runs smoothly.
• Check the piston rod of the lip leveller
cylinder for damage.
• If troubleshooting is unsuccessful, contact the
service department.
Check the hydraulic system for leaks.
EN - 37