Table 237: Error Code 4, Explanation Of Blink Codes And Procedures For; Table 238: Error Code 5, Explanation Of Blink Codes And Procedures For; Table 239: Error Code 9, Explanation Of Blink Codes And Procedures For - WAGO 750-8207 Manual

334 Diagnostics
Table 237: Error Code 4, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
--
n*
Table 238: Error Code 5, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
n*
Table 239: Error Code 9, Explanation of Blink Codes and Procedures for Troubleshooting
Error
Argument
1
2
3
4
Manual
Draft version 1.2.1 from 2017-09-13, valid from FW Version 02.06.20(09)
Cause
Maximum permissible
number of I/O modules
exceeded.
Internal data bus
th
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)
WAGO-I/O-SYSTEM 750
750-8207 PFC200 CS 2ETH RS 3G
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.
- 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.
th
process data
th
process data