WAGO-I/O-SYSTEM 750
Diagnostics 247
750-8100 PFC100; 2ETH; ECO
Manual
Version 1.6.0, valid from FW Version 03.02.02(14)
Table 192: Error Code 4, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
Cause
Solution
--
Maximum permissible
number of I/O modules
exceeded.
-
Switch off the power to the controller.
-
Reduce the number of I/O modules
to an acceptable value.
-
Switch the power back on.
n*
Local bus disruption after
the n
th
process data
module.
-
Switch off the power to the controller.
-
Replace the (n+1)
th
process data
module.
-
Switch the power back on.
I/O modules that do not provide any data
are ignored (e.g., supply module without
diagnostics).
Table 193: Error Code 5, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
Cause
Solution
n*
Register communication
error during local bus
initialization
-
Switch off the power to the controller.
-
Replace the (n+1)
th
process data
module.
-
Switch the power back on.
I/O modules that do not provide any data
are ignored (e.g., supply module without
diagnostics).
Table 194: Error Code 7, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
Cause
Solution
n
First unsupported I/O
module in place of n.
-
Switch off the power to the controller.
-
Replace the nth I/O module
containing process data or reduce
the number of modules to the
number of n-1.
-
Switch the power back on.