Behaviour In Cases Of Error; Emergency Discharge During Blackout; Moving Onto An Obstacle - Nussbaum POWER LIFT HF 4600 Manuel D'exploitation

Lifting arm start position
Once the lift is in the lowest position, swing out the lifting arms to
the start position.
• Move the vehicle out of the lift.
6

Behaviour in cases of error

Defective operational readiness of the lift may be
due to a simple error. Check the system for the list-
ed sources of error.
If the error cannot be removed after an inspection
to the named causes, then inform customer service
or your dealer.
Independent repairs to the lift, espe-
cially on the safety devices, as well as
inspections and repairs to electrical
systems are prohibited.
Work on electrical systems may only
be done by electricians.
Problem: The lift cannot be raised
Possible causes:
No power supply pres-
ent
The main switch is not
switched on, or is de-
fective
Button/Operating lever
defective
Defective fuse
OPI-POWER LIFT HF 4600-V3.0-DE-EN-FR-ES-IT
Remedy:
Check power supply
Check main switch
Check function
Check fuses
Power line interrupted
Motor has overheated
Motor defective
Only 2 phases active
Insufficient hydraulic oil
available
Problem: The lift cannot be lowered
Possible causes:
The lifting arm has
moved onto an obsta-
cle
Button/Operating lever
defective
6.1

Emergency discharge during blackout

There is the option of placing the lift into the lowest
position with a simple operation.
An emergency discharge can only be
done by personnel who are trained to
operate the lift. Follow the conditions
to "Lower".
Emergency discharge procedure
• People may not stand in the hazardous area
around the lift.
• Restrain latches.
• Slowly pull the operating lever. The lowering pro-
cedure begins immediately. Lowering speed can
be varied by the lever position.
• Always observe the lowering process.
• Lower the lift to the lowest position.
• If required, firstly inform customer service.
• Only operate the lift if it is in seamless condition
from a safety point of view again.
6.2

Moving onto an obstacle

If the lifting rails or lifting arms move onto an ob-
stacle due to operator inattention, the lift stops
in place. To remove the object, raise the lift to a
height where the object can be removed.
Check power lines
Let motor cool (cooling
time dependent on am-
bient temperature)
Do an emergency dis-
charge (see Section 6.1)
Do an on-site check with
a qualified electrician
Refill new hydraulic oil
Remedy:
Raise the lift and remove
the obstacle.
Notify customer service
Perform emergency dis-
charge. Slowly pull lever
91