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asked ago in Vehicle tracking by
I want to pair Elm327 to FMB120 and i did everything that are in your website :

https://wiki.teltonika.lt/view/How_to_connect_OBD_II_Blue-tooth_Dongle_to_FMB_device

But happened nothing, my dongle is on red light and pc or obd lamps are off i tried with diagnostic mobile apps on my car and dongle works perfect but with fmb120 not work. I tried on another fmb120 and result was same. Please guide me.

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answered ago by

Hi there, 

Make sure FMB120 has been connected to the power supply. and both green led's are on (or blinking) .Connect FMB120 to PC via usb cable and folow next steps from the the link https://wiki.teltonika.lt/view/How_to_connect_OBD_II_Blue-tooth_Dongle_to_FMB_device

Hope that helps