De'Longhi dehumidifier is very noisy during operation; rattling, buzzing, or grinding sounds are heard.

Safety first: Unplug the unit before tightening or adjusting any components.

Step-by-step:

• 1. Level the unit: Ensure the dehumidifier is on a flat, solid surface. Adjust feet if provided.
• 2. Check for loose parts: Remove the front/rear cover and inspect the fan blade, motor mounts, and compressor brackets. Tighten any loose screws.
• 3. Inspect fan blade: Spin the fan by hand and listen for scraping. Realign the blade if it is rubbing the shroud. Replace if cracked or warped.
• 4. Add padding to panels: If cabinet panels vibrate, apply thin foam tape at contact points between panels and frame.
• 5. Evaluate motor and compressor: If noise is a loud grinding from the fan motor or a harsh knocking from the compressor, those components may need replacement by a technician.