Troubleshooting
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11 Troubleshooting
11.1 Help with Faults
Fault
Cause
Solution
No IO-Link communication
Incorrect electrical connec-
tion
4
Check electrical connec-
tion and pin assignment
Master not correctly config-
ured
4
Check the master configu-
ration to see whether the
port is set to IO-Link
IODD connection does not
work
4
Check for the appropriate
IODD; the IODD is depen-
dent on the number of
ejectors
Ejector does not respond
No actuator supply voltage
4
Check electrical connec-
tion and pin assignment
No compressed air supply
4
Check the compressed air
supply.
Ejector is faulty.
4
Check the ejector and
contact Schmalz Service if
necessary.
Vacuum level is not reached
or vacuum is created too
slowly
Press-in screen in contami-
nated
4
Replace screen
Silencer is dirty
4
Replace silencer insert
Hose or screw unions are
leaking
4
Replace or seal compo-
nents
Leakage at suction cup
4
Eliminate leakage from
suction cup
Operating pressure too low
4
Increase operating pres-
sure, observe maximum
limits
Internal diameter of hose line
too small
4
Observe recommenda-
tions for hose diameter
Display shows error code
See “Error codes” table
4
See the “Error codes” ta-
ble.
Load cannot be held
Vacuum level too low
4
Increase the control range
for the air saving function
Suction cup too small
4
Select a larger suction cup
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