Quoted from Quench:the only coils with issues that can blow the 5 amp fuse are the flippers, knocker in the cabinet and the coin lockout coil on the coin door.
Quoted from yatch11:Checked the connections on the coin door, all look good.
I think the next step I would take is check your knocker coil. The manual calls for an AR-26-1200. It should measure about 12.5 ohms resistance. If it measures zero or close to zero it's probably blowing the fuse. You can just disconnect it. Cap the wires properly.