Whirlpool GBD277PD Electric Double Oven "30 years ago facts" Questions

Frigidaire wall over model number CGEB30S8AB1 is not heating. It is just the bottom bake element. I tried to replace the element but it is still not working. I can hear the relay clicking but it will ...

...years old (Model No. GBD277PDB6). It was not in use when the code was displayed in fact it has hardl'y been used since it was installed (Maybe 20-30 times) and has never had its "Self Cleaning Cycle" ...