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Error code reference
Whirlpool Range Error Code F20
Communication failure between EOC and ESEC system.
SourceWhirlpool Range - Tech Sheet: Electronic Oven Control Fault Codes (ES 883)
Diagnostic procedure
The full F20 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
Test harness/connections between P6 (EOC) and P7 (UIB).
SourceWhirlpool Range - Tech Sheet: Electronic Oven Control Fault Codes (ES 883)
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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