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Scanner Module Indicator Lights and Sounds


What the S3 Scanner Module LEDs and buzzer indicate.


LED off – No vehicle power detected and no vehicle communication
LED on – Vehicle power but no vehicle communication
LED flashing green – Vehicle power and vehicle communication
LED off – Normal function
LED on – Not functioning normally
LED flashing red – Performing self test
LED off – No wired or wireless communication with the Display Device
LED on – Wired communication with the Display Device
LED flashing green – Wireless communication with the Display Device
Buzzer on – No communication between the Scanner and Display Device, or no communication with the vehicle


Last Updated: June 20, 2019

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