probst SH-2500-UNI-GL, Operating Instructions Manual

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Troubleshooting
52400046 / 52400048
45 / 58
Malfunction Cause Solution
Vacuum generator functioning,
but the load is not picked up. The suction plate is not complete-
ly covered by the load. Air is leak-
ing in.

Position the lifting device on
the load so that the suction
plate is completely covered
by the load.
Dust filter is dirty.

Clean or replace the filter car-
tridge of the dust filter.
Dust filter is not closed.

Close the dust filter cover.
Hose or screw unions are leaking.

Replace or seal components.
Valves are dirty.

Have valves cleaned by Probst
service.
Vacuum pumps are functioning,
but the load is not picked up. One or more pumps has failed.
1. Decommission the lifting de-
vice.
2. Contact Probst service.
Minimum vacuum -0,6 bar is not
reached. Sealing lip on suction plate is
damaged.
 Replace suction plate.
Load has cracks, gaps or is porous. The load cannot be handled with
this lifting device.
Gauge is faulty.

Replace the gauge.
Hose or screw unions are leaking.

Seal or replace components.
Vacuum switch is obstructed or
faulty.

Contact Probst service.
Location of use is higher than
1600 m above sea level.

Observe the maximum alti-
tude for location of use.
Warning device is triggered. Load has cracks, gaps or is porous. The load cannot be handled with
this lifting device.
Sealing lip on suction plate is
damaged.

Replace sealing lip.
Hose or screw unions are leaking.
 Seal or replace components.
Vacuum switch is obstructed or
faulty.
 Contact Probst service.
Warning device is triggered. Battery voltage too low. Charge or replace the battery.
Radio remote control (optional) is
not working. The battery is dead.
1. Replace or recharge the bat-
tery.
2. See operating instructions for
the radio remote control.
Solenoid valve faulty.

Replace the solenoid valve.
Vacuum generation is not work-
ing. The main switch is not on 1.

Set the main switch to 1.
The fuse is defective.

Check the fuse and replace if