Frigidaire Double oven heating issue

Oven/Range/Cooktop Repair
1

Brand:Frigidaire
Model Number:PLEB27T9FCB
Main Symptom: 1 hour to reach 350*
What happens & when:

Error Code (if any):none
Parts or tests already tried: Temperature probe and heating element replaced.
Photos / video link:

2

Some ovens use the broil element to help preheat. Ohm out the broil element or put it on broil to see if it gets hot. If it is good, the relay board that regulates the bake and broil elements would be the issue.

3

Thanks for reply. All seems to work now.