What is the self-diagnostic function?

The self-diagnostic function checks for errors in Safety Sensors. 

Self-diagnosis occurs when the power is turned ON (within 1 s) and periodically during operation. 

This function is called self testing for F3SN/F3SH Series Safety Light Curtains.

Applicable models:

F3SL Series Safety Light Curtain

F3SS-AT60P Single-beam Safety Sensor