probst SH-2500-UNI-B Operating Instructions Manual page 124

Troubleshooting
Malfunction
Minimum vacuum -0.6 bar is
not reached.
Minimum vacuum -0.6 bar is
not reached.
Vacuum generator does not
work.
Combustion engine does not
work
52400043
Cause
Manual slide valve is defective.
Sealing lip of the suction plate is
damaged.
Load has cracks, recesses or is porous.
Pressure gauge is defective.
Hose or fittings are leaking.
Vacuum switch is misaligned or
defective.
Location higher than 1600 above sea
level.
V-belt slips.
V-belt torn or too loose.
The fuel tank is empty.
Fuel tap is closed.
Combustion engine defective.
38 / 47
Remedy
Repair or replace the
manual slide valve.

Replace the suction
plate.
Handling the load is not
possible with this lifting
device.
Replace the pressure
gauge.
Seal or replace
components.
Contact Probst-
Service.
Observe the
maximum height of
the installation site.
Tighten the V-belt.
See operating
instructions for the
combustion engine in
the appendix.
Replace or retighten
the V-belt.
See operating
instructions for the
combustion engine in
the appendix.
Fill the fuel tank.
Open the fuel
tap.
See operating instructions
for the combustion
engine in the appendix.
GB