Troubleshooting
EN-US · 30.30.01.01721 · 01 · 09/19
55 / 66
11 Troubleshooting
11.1 Help with Malfunctions
Error
Possible cause
Solution
Master or peripheral
power supply disturbed
Connection to IO-Link master with
IO-Link class-A port
4
Connection to IO-Link class B port
No communication
Incorrect electrical connection
4
Check electrical connection and pin
assignment
Higher-level controller not cor-
rectly configured
4
Check the controller configuration
IODD connection does not work
4
Check for the appropriate IODD
No NFC communication
NFC connection between ejector
and reader (e.g. smartphone) not
correct
4
Hold the reader at the intended po-
sition on the ejector
NFC function on reader (e.g.
smartphone) not activated
4
Activate NFC function on reader
NFC deactivated on ejector
4
Activate NFC function on ejector
Write operation canceled
4
Hold the reader at the intended po-
sition on the ejector
No parameters can be
changed using NFC
PIN code for NFC write protection
activated
4
Enable NFC write permissions
Ejector does not re-
spond
No actuator supply voltage
4
Check electrical connection and PIN
assignment
No compressed air supply
4
Check the compressed air supply
Vacuum level is not
reached or vacuum is
built up too slowly
Press-in screen is contaminated
4
Replace screen
Silencer is soiled
4
Replacing the Silencer
Leakage in hose line
4
Check hose connections
Leakage at suction cup
4
Check suction cup
Operating pressure too low
4
Increase operating pressure. Note
the maximum limits!
Internal diameter of hose line too
small
4
Observe recommendations for hose
diameter
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
No display on the
screen
ECO mode activated
4
Press any button or deactivate ECO
mode
Incorrect electrical connection
4
Check electrical connection and PIN
assignment
Display shows error
code
See "Error codes" table
4
See "Error Codes" table in the fol-
lowing chapter
