Skip to main contentStart diagnosing 9d21 on your Maytag oven
What this code means
Door lock diagnostic - lower oven cavity. Possible causes: Door lock mechanism failure; Door lock circuit malfunction
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for Maytag oven models
Access Maytag oven service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.