Here are your parts
Replacement parts for WHIRLPOOL ED2FHAXSB03 | AppliancePartsPros.com
Here is a tech sheet
https://www.servicematters.com/docs/wiring/Service%20and%20Wiring%20Sheet%20-%20W10142176.pdf
It shows how to force a defrost.
If a forced defrost works then the defrost control board is shot.