The F10 code means the over temperature conditions. most likely the temperature probe is bad.
To test it you need a multimeter set to 10000 ohm.
Normal resistance is approx. 1100 ohm at room temp.
The sensor Part number: 316490001
Here are the breakdown diagrams and Replacement parts for Frigidaire PLEFM399DCA Frigidaire/electric Range | AppliancePartsPros.com
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