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Replacement parts for Frigidaire FES366ECC Frigidaire/electric Range | AppliancePartsPros.com
Here is your wiring diagram.
Since it is usually pretty tight in the control panel area I personally do not like doing live tests in this area. Too large a possibility of a arc/spark and/or getting hurt.
I would unplug the unit and check the wires to the board and to the elements using resistance/ohms.
Also disconnect the oven sensor at the board and check it. It should be around 1100 ohms. This circuit has a circuit breaker in it that may have popped. I am not sure if the control board would give an error if it sees an open sensor so perhaps that is the problem re: it thinks the unit is already at high heat so does not turn on the elements. I am also not sure but some of theses breakers have a button between the connectors that pops out so they can be reset.
If everything checks OK I would replace the control.