Figure 78: Node Status - I/O Led Signaling; Figure 79: Error Message Coding - WAGO -I/O-SYSTEM 750 Manual

WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
Figure 78: Node Status – I/O LED Signaling

Figure 79: 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.
Diagnostics 197
Manual
1.5.0