190 Diagnostics
WAGO-I/O-SYSTEM
750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Pos: 88.10 /Serie 750 (WAGO-I/O-SYSTEM)/Diagnose/Feldbuskoppler/-controller/Knotenstatus auswerten - I/O-LED (alle Koppler/Controller) @ 6\mod_1259229729546_21.doc @ 45457 @ 3 @ 1
11.1.2 Evaluating Node Status - I/O LED (Blink Code Table)
The communication status between fieldbus coupler/controller is indicated by the
I/O LED.
Table 60: Node status diagnostics – solution in event of error
LED Status
Meaning
Solution
I/O
green
The fieldbus node is operating correctly.
Normal operation.
orange
flashing
The internal data bus is initialized, 1-2 se-
conds of rapid flashing indicate start-up.
-
red Controller
hardware
defect
Replace the fieldbus coupler/controller.
red
flashing
General internal bus error
Note the following blinking sequence.
red
cyclical
flashing
Up to three successive blinking
sequences indicate internal data bus
errors. There are short intervals between
the sequences.
Evaluate the blinking sequences based
on the following blink code table.
The blinking indicates an error message
comprised of an error code and error
argument.
off
No data cycle on the internal bus.
The fieldbus coupler/controller supply
is off.
Device boot-up occurs after turning on the power supply. The I/O LED is orange.
After a trouble-free start-up, the I/O LED is green.
In the event of an error, the I/O LED continues to blink red. Blink codes indicate
detailed error messages. An error is indicated cyclically by up to 3 blinking
sequences.
After elimination of the error, restart the node by turning the power supply of the
device off and on again.