Direct answer
Use the washer's reminder or manual as the controlling interval. Run the dedicated cycle empty with only the approved cleaner; odor, residue, frequent cold washes or heavy detergent use can justify earlier cleaning.
What this covers
- Washers with a documented Tub Clean, Clean Washer or Self Clean cycle
- The exact condition described in the direct answer
- Customer-accessible observations and controls
What it does not cover
- ×A different model, region or software interface that contradicts the cited source
- ×A displayed code with a separate manufacturer meaning
- ×Live electrical, gas, sealed-system or battery-cell repair
Establish the exact starting state
ReversibleRead the cycle label and approved cleaner quantity for the exact model.
Separate the fault or decision boundary
ReversibleCorrect overdosing, wrong detergent, wet gasket/dispenser and slow drainage so buildup does not immediately return.
Apply the narrowest correction
ReversibleRun the dedicated cycle empty, then wipe and dry accessible surfaces.
Verify before escalating
ReversibleConfirm the drum is empty of cleaner residue and the next rinse drains normally.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What is the short answer to “How often should a washer tub-clean cycle be run”?+
Use the washer's reminder or manual as the controlling interval. Run the dedicated cycle empty with only the approved cleaner; odor, residue, frequent cold washes or heavy detergent use can justify earlier cleaning.
What should I check before changing anything?+
Read the cycle label and approved cleaner quantity for the exact model.
How do I know the action worked?+
Confirm the drum is empty of cleaner residue and the next rinse drains normally.
When should I stop?+
Do not combine cleaners or run a clean cycle with clothes inside.
Answer for the exact device and software version shown above.