Enquiry preparation
Dishwasher: confirm who can authorise the work
For a dishwasher enquiry: For a rented property, agree ownership, authorisation and the person providing entry. Have those arrangements available with the service address.
We agree suitable work and arrangements for your actual appliance.

For the appliance you actually own
A dishwasher that never fills presents a different account from one that washes then retains water. State the last familiar stage, displayed message and fitted arrangement.
How this supports the discussion
The dishwasher reference, fitting and observation allow a more specific discussion. They do not establish a failed part or guarantee a repair.
Confirm the proposed attendance
Confirm suitable work, proposed charges and access with the team. An enquiry notebook is preparation, not a reserved visit.