Safety: Unplug the unit before tipping or opening it.

Steps:

Level the unit: Place the dehumidifier on a flat, solid surface. Avoid soft carpets that can cause instability.
Check rubber feet: Inspect the bottom feet. Replace missing or perished rubber feet / vibration pads.
Inspect fan: Remove the cover and check that the fan wheel is not cracked or missing blades. Replace if damaged.
Compressor mounts: Check that the compressor mounting bolts and rubber grommets are intact and tight. Replace worn grommets.

Dehumidifier vibrates excessively or rattles against the floor

Possible Causes