Troubleshooting
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EN-US · 30.30.01.02459 · 00 · 08/20
Fault
Possible cause
Solution
works, but work-
pieces are not
picked up
Workpiece is too heavy
Workpiece is not suitable
Vacuum is too high
Determine the maximum possible vac-
uum of the vacuum generator; check
the system for leaks (hose connections,
sealing, etc.); valves are dirty; the work-
piece is too porous
Suction cup is not applied firmly
enough
Press the gripping system more firmly
onto the surface. On even surfaces, we
recommend compressing the suction
cup by approx. 50%
Versions with in-
ternal vacuum
generator only: In-
ternal vacuum
generator works,
but workpieces
are not picked up
Suction cup is damaged/torn
Replace suction cup
Workpiece is too heavy
Workpiece is not suitable
Input pressure too low (SEP version
only)
Increase the input pressure. Check the
hoses for leakage The workpiece is too
porous
Vacuum generator of the SEP nozzle or
foam inserts in the silencer dirty
Remove and clean the SEP nozzle or
foam inserts in the silencer
Suction cup is not applied firmly
enough
Press the gripper more firmly onto the
workpiece. On even surfaces, we rec-
ommend compressing the suction cup
by at least 50%.
Swiveling unit
does not work
Input pressure too low
Increase the pressure
Throttle valves closed too far
Open the throttle valves
Hose lines leaking or valves defective
Check lines and valves
Articulated connector worn (plate (pre-
assembled))
Replace the articulated connector
(plate (pre-assembled) – see wear parts)
(> See ch. Replacing Articulated Con-
nectors)