Aventics PROFINET IO Manual Del Usuario página 112

112 AVENTICS | Bus Coupler AES/Valve Driver AV, PROFINET IO | R412018140–BAL–001–AG
Troubleshooting
Table 30: Table of malfunctions
Malfunction
RUN/BF LED flashes red
LED L/A 1 or L/A 2 illuminated
in green
(only flashes in yellow seldom)
L/A 1 or L/A 2 LED is off
Possible cause
Connection to master has been
disrupted. PROFINET IO
communication can no longer take
place.
An error was discovered in the PLC
configuration.
No data exchange with the bus
coupler,
e.g. because the network section
is not connected to a controller
Bus coupler was not configured
in the controller.
There is no connection
to a network participant.
The bus cable is defective and
no connection can be made with
the next network participant.
The other network participant
is defective.
Bus coupler is defective.
Remedy
Check the connection
to the master.
Check the PLC configuration.
Connect the network section with
a controller.
Configure bus coupler
in the controller.
Connect fieldbus connection X7E1
or X7E2 with a network participant
(e.g. a switch).
Exchange the bus cable.
Exchange network participant.
Exchange the bus coupler