Define a system output for Error. Read about such signals in the Manual, System parameters.
What is the controller type and RW version you are using? You will find the correct manual in the ABB Library by searching for "system paramaters".
You want to set up a System Output tied to the Status "Execution Error"
The following status conditions (essentially BOOLEAN values) can be applied to system outputs...
Absolute Accuracy Active
Auto On
Backup Error
Backup in progress
Collision Avoidance
Cycle On
Emergency Stop
Execution Error
Limit Speed
Mechanical Unit Active
Mechanical Unit Not Moving
Motion Supervision On
Motion Supervision Triggered
Motors Off
Motors Off State
Motors On
Motors On State
Path Return Region Error
Power Fail Error
PP Moved
Production Execution Error
Revolution Counter Lost
Robot In Trusted Position
Run Chain OK
SimMode
Simulated I/O
SMB Battery Charge Low
Speed Override
System Input Busy
TaskExecuting
TCP Speed
TCP Speed Reference
Temperature Warning
Write Access
