Error codes, pedal assist, motor issues
The #1 most common issue: throttle works fine but pedal assist does nothing. Step-by-step diagnosis from brake inhibitors to torque sensor replacement.
Your pedal assist may be intermittent after changing a flat. The reasoning behind this is that there is a specific washer layout that you need to have on your rear axle in order for the torque sensor to output the correct signal to the controller and
Pedal assist stopped working after changing a flat tire. Common issue — the torque sensor cable likely got disconnected during wheel removal.
Mid-drive bike creaks or squeaks under pedal load, especially uphill. Almost always a tightening issue — not a defect.