I cant find reference to this on any sticky. Where is the limit switch for the top bow? I think I see some sort of switch that clicks when I push the plastic cover on the left side pivot arm. But there are no wires going to this switch. The cover wont open or close because it cant sense the position of the bow. Once I open the cover with the tool and the back limit on the cover is made everything continues fine. Again the same on closing, once I close the cover with the bow up and the latches are made the bow closes. I havn,t read the codes but this seems logical. I have checked the limits with an ohmmeter and all check out ok.