While you wait for answers, we may have found some information which could help you.
Click here for Oven Grill Element SwitchWestinghouse 688 wall oven timer?
Westinghouse Freestyle electric wall oven 688?
how can i fix a fuse?
Is it possible to clean inside the glass oven door ?
My Westinghouse 688 freestyle wall oven?
fan works, element does not?