Operating instruction and documentation
UNI-LIFT 6500 - 8000
UNI LIFT 6500 - 8000
- 47 -
Version 3.0
6. Troubleshooting
If the lift does not work properly, the reason for this might be quite simple. Please
check the lift for the potential reasons mentioned on the following pages. If the
cause of trouble cannot be found, please call the technical service.
Repairs at the lift’s security devices as well as repairs and examinations of the
electrical fittings may only be performed by specialists.
Problem: Motor does not start!
potential causes: solution:
no power supply
check the power supply
main switch is not engaged put main switch on
fuse defect check fuse and replace it if necessary
the feed line is cut repair it
thermo switch in the motor is active let it cool down
Problem: Motor starts, lift does not lift!
potential causes: solution:
The vehicle is too heavy unload it
Level of the oil is too low fill oil in
leakage of the hydraulic system repair the system
gear pump does not work call your service partner
Problem: The lift does not lower!
potential causes: solution:
The lift is standing on a obstacle push button „lifting“
hydraulic valve defect call your service partner
fuse defect check fuse and replace it if necessary
Button „lowering” not pushed push the correct button!
Seat valves cannot be unlocked emergency lowering
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