Unplug the washer
Remove any laundry from the drum
Check that the washer is level front to back and side to side
Adjust the leveling feet until the washer sits firmly on the floor
Tighten the lock nuts on the leveling feet
Press down on each corner to confirm the washer does not rock
Make sure the floor is solid and even
Redistribute the load evenly if the washer is unbalanced during use
Avoid overloading the washer
Place heavy items with lighter items to help balance the load
Check that the shipping bolts have been removed if the washer is newly installed
Inspect the drum for uneven movement or damage
Clean any debris under the washer
Test the washer on a spin cycle to confirm stability