While you wait for answers, we may have found some information which could help you.
Success
Message
Westinghouse 688 wall oven timer?
fan works, element does not?
Westinghouse Oven 688?
wiring help for Electrolux oven?
How to remove a element from a oven?
How can I fix my Thermostat control for Westinghouse model KB251RDM2 ?
how can i fix a fuse?
My Westinghouse 688 freestyle wall oven?
Westinghouse Freestyle electric wall oven 688?
Is it possible to clean inside the glass oven door ?
outside of ring of ceramic not working?
How to replace oven door seal?