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110 •
Fieldbus Controller
Fieldbus Controller 750-872/020-000
Fig. 3.1-16:
After clearing a fault, restart the controller by cycling the power.
Fault message of the 'I/O' LED
st
1
nd
2
rd
3
Fault code 1: " Hardware and configuration fault "
Fault argument
Switching on
the power supply
Coupler/Controller starts up
"I/O"-LED is blinking
No
Test o.k.?
Yes
"I/O"-LED is shining
ready for operation
g012111e
blink sequence: Start of the Fault message
blink sequence: Fault code
blink sequence: Fault argument
Fault description
1
Overflow of the internal buffer
memory for the inline code
"I/O" LED
1st flash sequence
(Introduction of the
error indication)
1st break
"I/O" LED
2nd flash sequence
Error code
(Number of flash cycles)
2nd break
"I/O" LED
3rd flash sequence
Error argument
(Number of flash cycles)
Signalling of the LED for indication of the node status
Trouble shooting
Turn off the power supply of the
node, reduce number of I/O
modules and turn the power supply
on again. If the error still exists,
exchange the bus coupler.
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
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