Nussbaum COMBI LIFT 4.80 H, Operating Manual And Inspection Book

Page: 38 / 63

Operating Manual and Inspection Book
COMBI LIFT 4.80 H / HYMAX II 8000
38 Version 3.0
6 Troubleshooting
If the lift does not work properly, the reason might be quite simple. Please check
the lift for the potential reasons mentioned on the following pages. If the cause of
trouble still cannot be found, please call technical service.
Self-employer repair-working is prohibited.
Problem: the lift does not lower!
Potential causes:
An obstacle is restricting the lift from being lowered
The ball valve is defective
Fuse is defective
The ratchets are locked of defective
Wrong sequence when operation
No feedback from the ratchet switch
solution:
(see chapter 6.1)
Call technical service
Check the fuse
Call technical service
See chapter 5
Call technical service
6.1 Lowering onto an obstacle
If the lift moves onto an obstacle during lowering, or remains stuck with the safety catches
in the catch bar, a cable loosens. A safety switch (5) located below the drive-in rail is acti-
Problem: Motor does not start!
Potential causes:
No power supply
Main switch is not engaged
The main switch is defective
The main fuse defective
The feed line is cut
Thermal switch in the motor is active
Motor is defective
solution:
Check the power supply
Check the main switch
Check the main switch
Check Fuse
Check the complete cable
Let motor cool down
Call technical service
Problem: Motor starts, lift does not lift!
Potential causes:
The vehicle is too heavy
Level of the oil is too low
The ball valve is defective
Hydraulic valve is defective
Gear pump is defective
solution:
unload the vehicle
check the oil level, fill with hy-
draulic oil as required
Call technical service
Call technical service
Call technical service