Table 255: Error Code 4, Explanation Of Blink Codes And Procedures For; Table 256: Error Code 5, Explanation Of Blink Codes And Procedures For; Table 257: Error Code 9, Explanation Of Blink Codes And Procedures For - WAGO I/O SYSTEM 750 Manual

388 Diagnostics
Table 255: Error Code 4, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
--
n*
Table 256: Error Code 5, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
n*
Table 257: Error Code 9, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
1
2
3
4
Cause
Maximum permissible
number of I/O modules
exceeded.
Internal data bus
disruption after the n
process data module.
Cause
Register communication
error during internal data
bus initialization
Cause
Invalid program statement
Stack overflow
Stack underflow
Invalid event (NMI)
750-8208 PFC200 CS 2ETH RS CAN DPM
Solution
- Switch off the power to the
controller.
- Reduce the number of I/O modules to
an acceptable value.
- Switch the power back on.
- Switch off the power to the
controller.
- Replace the (n+1)
module.
th
- Switch the power back on.
I/O modules that do not provide any data
are ignored (e.g., supply module without
diagnostics).
Solution
- Switch off the power to the
controller.
- Replace the (n+1)
module.
- Switch the power back on.
I/O modules that do not provide any data
are ignored (e.g., supply module without
diagnostics).
Solution
Malfunction of the program sequence.
- Please contact WAGO Support.
Malfunction of the program sequence.
- Please contact WAGO Support.
Malfunction of the program sequence.
- Please contact WAGO Support.
Malfunction of the program sequence.
- Please contact WAGO Support.
Version 1.1.0, valid from FW Version 02.06.20(09)
WAGO-I/O-SYSTEM 750
th
process data
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process data
Manual