Chapter
8
Operating Instructions
UE4740
30
©
SICK AG • Industrial Safety Systems • Germany • All rights reserved
8020182/1CUO/2022-08-26
Subject to change without notice
Fault diagnosis
8.3.2
Special aspects of the PROFIsafe error displays
Display
Possible cause
How to remedy the error
BUS
PROFINET IO communi-
cation with the FPLC is
established, but the safety
communication is still
inactive. The FPLC safety
program has not been
started yet
Ensure that a PROFIsafe master
has been used.
Check the state of the safety
program.
Green
Acknowledgement by the
user required. The FPLC
has recognised an error at
the EFI gateway and has
passivated the EFI
gateway
Check the PROFINET IO diagnostic
data of the EFI gateway.
Eliminate any errors.
Then acknowledge the error
elimination.
Red
General error of the
PROFINET IO, no
communication possible
Check the PROFINET IO connecting
cable.
Check that the PROFINET IO
settings in the FPLC and at the EFI
gateway agree.
Red
No valid PROFINET IO
configuration
Check that the PROFIsafe address
in the FPLC and at the EFI gateway
agree.
8.3.3
Special error displays for PROFINET IO
Display
Possible cause
Rectification of the error
BUS
Red
No communication on
PROFINET IO
Check the PROFINET IO connecting
cable.
Verify that the PROFINET IO
settings in the PLC and on the EFI
gateway correspond.
Red
Not a valid PROFINET IO
configuration
Verify that the PROFINET IO
settings in the PLC and on the EFI
gateway correspond.
Tab. 9: Special aspects of the
LED error displays of the
PROFIsafe
Tab. 10: Special LED error
displays for PROFINET IO