The back burner is not working and this is a ceramic top. Are there fuses for this and how do we check to see if element is defective.
You have to have a simple multimeter.
Check the infinite switch for this burner and the heating element for continuity.
Here are the breakdown diagrams and Replacement parts for WHIRLPOOL WERP4120SQ0 | AppliancePartsPros.com
This Service manual might help too.
Gene.