You can't do a clean start without a valid engineers code, those reset codes only apply when accessing the "clean start" option in the engineer menu.
As above, the best option would be to get an engineer in or change the PCB yourself. An engineer who knows what they are doing should be able to have it up and running again within an hour, including a service/check over...
As above, the best option would be to get an engineer in or change the PCB yourself. An engineer who knows what they are doing should be able to have it up and running again within an hour, including a service/check over...