100 Diagnostics
WAGO I/O SYSTEM 750 XTR
750-333/040-000 FC PROFIBUS G2 12MBd XTR
Manual
Version 1.4.0
Figure 45: Node Status
– I/O LED Signaling
Figure 46: Error Message Coding
Example of a module error:
•
The I/O LED starts the error display with the first flashing sequence
(approx. 10 Hz).
•
After the first break, the second flashing sequence starts (approx. 1 Hz):
The I/O LED blinks four times.
Error code 4 indicates “data error internal data bus”.
•
After the second break, the third flashing sequence starts (approx. 1 Hz):
The I/O LED blinks twelve times.