4-2
Flex Network User Manual
Chapter 4 - Problems and Solutions
4.1.2 Error Code Display
The #IOStatus values, which are the GLC system variables, indicate the I/O driver
error codes. By displaying an error code on the GLC screen, troubleshooting can
be performed quickly.
The following is an example of an error code display application.
Application Example
(1) Create the I/O system diagnosis button.
(2) Create a ladder logic program so that, when the [System Diagnosis] button is
pressed, the system status will be displayed as an error code.
Line Monitor
Production Control
Progress Monitor
Maintenance
Document Control
System Diagnosis
System Status
Error Occurred: Error Code: F841
A system error occurred.
An error code -
#IOStatus value
will be displayed.