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Error code reference
Whirlpool Refrigerator Error Code D9 D8 D7 D6
Multiple failures detected during service diagnostics (Main Control, RC Thermistor, and/or Defrost Thermistor).
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$285
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Diagnostic procedure
The full D9 D8 D7 D6 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
Systematically test ACU, RC Thermistor, and Defrost Thermistor.
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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