hi my trainer is with yellow light normally green on the motor and when i start a ride in zwift the man just stand still on the road any 1 know what the problem could be ???
The yellow light should mean it’s in update mode.
Amber/Orange: Unit is in software update mode
You could try updating the firmware using the Tacx Update app.
It can also indicate a problem with the brake. That has a different update method, described in this ZwiftInsider article: