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kevin
Participant
Have you checked the isolator switch on the back of the carriage, in the off position you’ll hear a click if you press on the top safety edge, in the on position there will be no click.
This click is the motor brake being energised for hand winding, you could try hand winding he lift away from the end of the rail by a few inches before turning it back on, there’s a chance that it has over travelled slightly.
If you remove the plastic cover between the seat base and the footrest you’ll hopefully find a circuit diagram fixed to the back side.