remove the door panel, and remove the remove the switch controller, then remove the wiring from the door from the A pillar near the hinges, undo the taping, shielding and grommets and check the wiring for broken wires.
If you are missing the plastic skin, your window switch will burn out from rain water and condensation.
I have seen such failures a lot, mostly after a year of remote door "laack" - shishka installation.