Enquiry preparation
Food-waste disposal: mention a relevant recent change
For a food-waste disposal enquiry: A moved appliance, interruption or different setting may provide context. Describe what actually happened and avoid treating timing alone as proof of a cause.
Model and requested work checked before an appointment is agreed.

Apply this to your product
Read the disposer reference from paperwork or a safely visible label. Humming, a leak and a sudden stop are different observations; never reach into the chamber.
Why the detail helps
The food-waste disposal reference, fitting and observation allow a more specific discussion. They do not establish a failed part or guarantee a repair.
Before an appointment is agreed
Confirm suitable work, proposed charges and access with the team. An enquiry notebook is preparation, not a reserved visit.