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