WAGO I/O-SYSTEM 750 Manual page 125

WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
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.
Error argument 12 means that the local bus is interrupted behind the twelfth
I/O module.
The thirteenth I/O module is either defective or has been pulled out of the
assembly.
Diagnostics 125
Manual
Version 1.2.1