Yes. A garment's appearance does not establish that the wash and rinse stages completed as intended. An interrupted cycle may leave product even when the original dirt is no longer obvious.
Understanding this situation
Use the final machine status and programme history alongside the laundry result. A subsequent spin removes some water but does not by itself reproduce a missing rinse sequence. Do not assume that smell or softness alone proves successful rinsing.
A useful next step
If safe and permitted, follow the manual's appropriate completion guidance. Where a fault or safety symptom caused the interruption, leave the washer unused and discuss the stage reached. Explain that the concern is programme completion rather than visible staining.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.