Direct answer
Washer drain pump moves used water through the drain hose. Related symptoms include standing water, long-drain codes, humming or silence. Those symptoms do not prove the component failed: prove the household drain, hose and customer-accessible filter first.
What this covers
- washing machines
- The exact condition described in the title
- Customer-accessible checks before internal repair or reset
What it does not cover
- ×A different brand, model family or similar-looking code
- ×Internal live-electrical, gas, refrigerant or sealed-system testing
- ×A guarantee that a named component has failed without isolation
Capture the exact state
ReversibleRecord the model, exact code, operating stage and whether the product completes the action this component supports.
Separate the likely fault domains
Reversibleprove the household drain, hose and customer-accessible filter first.
Correct only the proven, accessible condition
ReversibleCorrect the external prerequisite first. Replacement difficulty is moderate to high and model-specific.
Verify once before going farther
ReversibleRepeat the same controlled stage and confirm the symptom and stored code stay gone.
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 should I record first for “Washer drain pump: function, symptoms, testing boundary and repair difficulty”?+
Record the model, exact code, operating stage and whether the product completes the action this component supports.
Does the symptom or code prove a part has failed?+
No. prove the household drain, hose and customer-accessible filter first.
When should I stop troubleshooting?+
Stop for water near wiring, glass, a hot seized pump or an internal leak.
Answer for the exact device and software version shown above.