Originally Posted by denman
Here are your parts
Replacement parts for Whirlpool RBD275PDQ6 27" ELECTRIC WALL OVEN | AppliancePartsPros.com
See the attachment for the tech sheet
Everything on this unit is controlled by the board so perhaps it blew the thermal fuse which kills power to the power transformer/board.
Part number: AP3110028
Click on it's picture for additional info on it.
Shut the breaker off and check it with a meter, should be 0 ohms.
Be sure to disconnect one side of it. This ensures that you do not read an alternate/parallel circuit path.
If the fuse is OK then you will have to check the power at the unit.
If it is OK then odds are that the board is shot.
I sincerely appreciate your time and thorough response. Thanks for passing on your expertise. Blessings to you!