WAGO-I/O-System 750
Diagnostics 119
750-370 PROFINET IO Fieldbus Coupler
Manual
Version 2.0.0
Figure 48: Node Status - I/O LED Signaling
Figure 49: Error Message Coding
Example of a module error:
•
The I/O LED starts the error display with the first flash sequence (approx.
10 Hz).
•
After the first pause, the second flash sequence (approx. 1 Hz) starts:
The I/O LED flashes four times.
Error code 4 indicates “data error internal data bus”.