7
Operating characteristics with the PROFINET
Bus-specific LEDs for PROFINET
Manual – MOVI-C
®
CONTROLLER progressive UHX65A-M
25
7.6.3
Status LED "L41" (BF, BUS FAULT)
The status LED indicates the status of the PROFINET connection.
Status
Possible cause
Measure
Off
Error-free operating state.
The PROFINET device is ex-
changing data with the
PROFINET controller (Data
Exchange state).
–
Red
Permanently lit
Connection to the PROFINET
controller has failed.
Bus communication has been
interrupted.
Check the PROFINET con-
nection of the PROFINET
device.
Check all the cables in the
PROFINET network.
The PROFINET controller is
not in operation.
Check the PROFINET control-
ler.
The PROFINET device does
not detect a PROFINET baud
rate.
Check the configuration of the
PROFINET controller.
Yellow
Permanently lit
There is a connection to the
PROFINET controller, but the
configuration of the
PROFINET network is faulty.
The following errors may have
occurred:
•
A hardware module was
selected that does not
support the PROFINET in-
terface.
•
The standard process data
and the safe process data
have been assigned mixed
to the PROFINET device.
Check the configuration of the
PROFINET controller.
26881144/EN – 02/2022