Practical preparation
Washer-dryer: what changed before the problem.
For your washer-dryer enquiry, mention a recent move, interruption, different programme or altered use if it actually happened. Timing is useful context, but it does not establish that the change caused a failed component.
Suitable work, charges and Monday–Thursday visits confirmed individually.
Apply this to your washer-dryer
Separate the washing result from the drying result. State whether the drum still contains water and which combined or drying-only programme was selected.
Keep the product and request together
The label, fitting and observed change describe the specific product. Send only information relevant to the enquiry; an old front-panel range name alone can be incomplete.
Know what this preparation does
Preparing notes helps the team understand the request. It does not reserve an appointment, confirm a particular part or authorise charges. Work and visits are agreed individually.