E4 - Fridge defrost sensor faultIssue: The compartment temperature in my fridge is incorrect. They said it needed: New Ice Maker Compactors, Garbage This video explains more about the error codes of a Whirlpool refrigerator. I took a picture but it's a little hard to see. Consider replacing it. in test mode it would not harvest. When the temperature in the freezer section of the refrigerator gets too high, this error code will appear. Estimates, Schedule Water Inlet Valve for Whirlpool ED2FHEXVS02 Ice maker not making ice. & to Programs, Healthcare Unplug the refrigerator for about 5 minutes and plug it back. This valve controls the flow of water from the water supply line to the ice . / /*