Error code reference

KitchenAid Refrigerator Error Code E3

Heater time-out. Ice mold heater on longer than maximum allowable time; temperature not reached so time delay shuts it down. Possible heater issue.

SourceKitchenAid Refrigerator - Tech Sheet: KRFF507HPS04Service Test - 56

Diagnostic procedure

The full E3 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check ice maker heater operation.

SourceKitchenAid Refrigerator - Tech Sheet: KRFF507HPS04Service Test - 56

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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