- The make and model number. It is on a sticker inside the door, behind the kick plate or along the door frame. With it, the dispatcher can check whether the likely part is already on a truck.
- What it is actually doing. “Leaks at the end of the cycle” is far more useful than “it is broken”, and it changes which technician we send.
- Any error code on the display. Codes narrow the fault down fast, even though they rarely name the exact part.
If your appliance is still under manufacturer warranty, check the terms before booking anyone — some brands void coverage unless an authorized servicer does the work. We will say so rather than cost you the coverage.