Washer-dryer produces a high-pitched squeal or grinding noise when spinning

Safety first: Unplug the appliance. Continued use with failing bearings can cause catastrophic damage.

Step-by-step checks:

• 1. Spin drum by hand: With the machine off, rotate the drum. Listen for grinding or rumbling and feel for roughness.
• 2. Check for play: Try lifting the drum up and down at the front. Any noticeable vertical play suggests bearing wear.
• 3. Inspect belt and pulley: Remove the rear panel and check that the belt is intact and not frayed. Ensure the pulley is tight on the drum shaft.
• 4. Assess repair options: Drum bearing replacement on Neff washer-dryers often requires tub removal and sometimes replacement of the entire tub assembly. This is a complex repair.

When to call a technician: Bearing replacement is typically a level 5 repair; professional service is strongly advised.