There are a few things that could go wrong (1)1 the switch inside the cover (remove the 2 screws from the frame then remove the 3 screws from the cover - noting where the wires go - pic will do it) (2) The red lever has a tang that is supposed to depress the switch. if it's missing you wont feel any resistance if you feel the resistance then could be that the switch is bad or the contacts to it (under the scews
Ivan Von Gomberg, May 2018
