TROUBLESHOOTING
47
Problem
Cause
Solution
Pump runs, but vacuum does not
reach
–
0.6 bar
Load has cracks, gaps or is porous
Workpiece is not suitable for suction
Sealing lip on suction plate is
damaged
Replace the sealing lip
Vacuum gauge is faulty
Replace vacuum gauge
V-belt slips
Retension V-belt
Leaking hose/screw unions
Replace/seal components
Oil dirty
Change oil with oil filter
Oil trap partly clogged
Replace oil trap
Vacuum filter(s) clogged
Replace vacuum filter(s)
Motor power reduced due to
clogged air intake filter
Replace air intake filter
Gasoline motor does not start
(see also the operating instructions
for the gasoline motor)
Tank empty
Refill with gasoline
Fuel valve closed
Open fuel valve
Motor oil level too low
Refill with recommended oil up to
the fill level mark
Motor faulty
Check motor/contact customer
service
Light is flashing, vacuum falls below
–
0.6 bar.
Load has cracks, gaps or is porous
Load can not be handled with this
lifting device
Sealing lip is damaged
Replace suction plate
Faulty hose/leaking screw unions
Replace components
Vacuum switch misaligned/faulty
Contact customer service