Troubleshooting
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12 Troubleshooting
12.1 Help with Malfunctions
Malfunction
Possible cause
Solution
No communication
Incorrect electrical connection
4
Check electrical connection and pin
assignment
Higher-level controller not cor-
rectly configured
4
Check the controller configuration
GSD connection does not work
4
Check for appropriate GSD
No NFC communication
NFC connection between SCTSi
and reader (e.g. smartphone) not
correct
4
Hold the reader at the intended po-
sition on the SCTSi
NFC function on reader (e.g.
smartphone) not activated
4
Activate NFC function on reader
NFC deactivated in SCTSi
4
Activate NFC function in SCTSi
Write operation canceled
4
Hold the reader at the intended po-
sition on the SCTSi
No parameters can be
changed using NFC
PIN code for NFC write protection
activated
4
Enable NFC write permissions
Ejectors are not re-
sponding
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
created too slowly
Press-in screen in contaminated
4
Replace screen
Silencer is dirty
4
Replace 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
IO-Link communication
to the device is not es-
tablished
No voltage
4
Activate sensor and actuator volt-
age if deactivated
Incorrect port configuration
4
Switch the operating mode to IO-
Link mode (fixed mode or scan
mode)
Incorrect port cycle time
4
Adjust the port cycle time sup-
ported by the device.
Incorrect device validation (con-
nected device does not meet the
specifications)
4
Check and adjust the validation pa-
rameters (inspection level / vendor
ID / device ID / serial number)
Data storage is not run-
ning correctly
Incorrect data storage configura-
tion
1. Check and adjust the required pa-
rameters (e.g. data storage activa-
tion, data storage download en-
able, data storage upload enable)
2. Wrong device connected; see “In-
correct device validation” above
