Possible explanations
Items obstructing spray movement, drain noise, circulation or worn components can sound alike. The stage matters more than a guessed part name.
Describe a knock, scrape, hum or grinding sound and the stage when it starts. A short recording from a safe distance can help describe the issue.
Work, charges, access and appointment availability confirmed before attendance.

Original illustrative scene · Not an exact manufacturer model or a completed-job photograph.
Items obstructing spray movement, drain noise, circulation or worn components can sound alike. The stage matters more than a guessed part name.
Does it happen during filling, spraying or draining?
Stop use if there is a burning smell, severe mechanical noise, leaking or an electrical trip. Do not reach into the appliance while it is running.
A similar display or a familiar-looking front is not enough to use another product’s instructions. Send the actual label and message so the team can assess the enquiry.
Own model-label guideSend an observation, not a guessed replacement part. Prepare the model, symptoms and access details, then add them to your booking request.