Some machines begin with an initial water-management stage before the main wash. The sequence should be checked in the model's instructions rather than interpreted solely from the first sound.
Understanding this situation
A short familiar start-up action differs from a machine that continues running without ever advancing. Sound alone cannot confirm which valve, pump or sensor is operating, and the absence of visible water through the glass is not conclusive.
A useful next step
Record whether the machine subsequently fills and starts its normal programme. If it remains stuck, note the display and duration already observed without repeated restarts. Do not pour water into the drum or disconnect hoses to force progress.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.