Problem recognition
No water is a symptom. Find the useful question behind it.
When a private well system behaves differently, the symptom can help frame the next conversation. It does not, by itself, prove which component has failed.
No water from a well
Start with what changed: is there no water anywhere in the home, or only at a particular fixture? Is the pump running, silent, or cycling? Those observations can help a service conversation.
Pump runs differently
Unusual cycling, a pump that seems to run without restoring normal pressure, or a sudden change in operation can be worth describing when contacting the business.
Pressure tank concerns
The pressure tank works with the pump and pressure controls. If pressure behavior changes, the tank is one part of the system that may need to be considered.
Repair versus replacement
A repair may address a failed component or connection; replacement may be considered when a component is no longer suitable to repair. The actual choice depends on diagnosis.
A useful handoff
Bring the symptom, not a diagnosis.
You do not need to know whether the pump, tank, switch, or another component is responsible before you call. Describing what you can observe is more useful than guessing the technical cause.