ON-LED flashes yellow, no function, not recognized by PC
If this error occurs with your CAN-Bus Tester 2, please check the power supply. It must supply a stable 24 V.
The tester can be tested with 9 V … 36 V or supplied from the CAN-Bus (if available). Please note that for the wiring test 24 V are required at the “Power Supply” connection.
In this context, this article is also worth mentioning.