The manufacturer may specify a support process and require particular information or authorisation. Independent service is not automatically part of that process.
What the observation means
The model, serial reference and purchase date help establish the actual cover. A brand name on a repair website does not prove approval.
A useful next step
Review the documents and official support route while following any stop-use guidance. Do not continue unsafe operation to preserve an appointment. Keep responsibility for charges and authorisation clear before work proceeds rather than assuming reimbursement later.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.