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Error code reference
Whirlpool Refrigerator Error Code D9 D8 D6
Main Control and Defrost Thermistor failures detected during service diagnostics.
SourceWhirlpool 30" Top-Freezer Refrigerator - Service Manual (W11814154)p. 33
Diagnostic procedure
The full D9 D8 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
Check ACU and Defrost Thermistor per Test #1 and Test #7.
SourceWhirlpool 30" Top-Freezer Refrigerator - Service Manual (W11814154)p. 33
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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Where this code is documented
1 manual in the MyPros+ library documents this code for Whirlpool refrigerator.
Models covered by the manuals that document this code
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