You should probably state what kind and model number of RV you have. In any case, have you checked for any switches in your basement or any other compartments? Sometimes they put those switches up high so you have to really look good. Just my thoughts.
2013 Surveyor SVF 293
2013 Ford SD F250 4x4 SC; 6.2 EFI V8
Reese 18K Elite w/slider - Ada, Michigan