1. Stop at the safety boundary
Do not operate an appliance if water is near wiring or the floor is swelling.
2. Capture the baseline
Take one context photo, one close view and a short note describing location, date, weather, recent water use, equipment state and occupancy.
3. Track the trigger
Fill, wash, drain or drying phases.
4. Compare, do not assume
Supports this pathway
- Water appears during one repeatable cycle phase
- Cabinet toe-kick or adjacent floor changes
- The sink drain affects the symptom
Weakens this pathway
- The area wets when the dishwasher is unused
- A refrigerator or sink line is the source
- No cycle phase correlates
5. Repeat only safe checks
- Observe from a safe dry position during one cycle
- Record the exact phase
- Check adjacent cabinet bases without removing electrical panels
6. Decide the next step
If the pattern is active, expanding, safety-related or requires opening inaccessible construction, stop self-help testing and prepare an evidence-based handoff. An appliance technician or plumber should inspect concealed connections and damaged flooring.
7. Verify the outcome
After any action, repeat the same observation under a comparable trigger. A dry surface immediately after work is not sufficient proof when the original symptom was intermittent.
Observe→Compare triggers→Repair source→Verify outcome
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