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

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