116 Diagnostics
WAGO-I/O-SYSTEM 750
750-375 PROFINET IO advanced Fieldbus Coupler
Manual
Version 1.1.0
Table 56: Diagnostics of the fieldbus status on the fieldbus connection – solution in
event of error
LED
Status
Explanation
Solution
LNK
green
Connection to physical network
exists.
-
OFF
No connection to physical network. 1. Check the network connection.
ACT
yellow
Network activity.
-
OFF
No network activity.
-
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