Try just waiting a minute or two and see if it doesn’t come on by itself. I think the overload in your motor is tripping, and it will reset itself in a few without disconnecting the pressure switch. If this is the case you probably need a new motor. You need to make sure that the capacitors and relay in the control box are still good, but the average number of cycles a submersible can survive takes about 7 years. You said installed 03 right?