The washing machine is not standing level.
Make the washing machine level.
There are vibrations during the spin cycle of the washing machine.
Make the washing machine level.
A concrete floor is the most suitable base for a washing machine.
If possible, install the washing machine in a corner of the room.
If installing the washing machine on a wooden floor, place it on a plywood panel that has several joists running all the way underneath it, making sure the panel is connected to the joists and not just the floor boards. Minimum size of plywood panel: 23 1/4" x 20 1/2" x 1 3/16" (59 x 52 x 3 cm).
Remove the shipping struts; see the operating instructions.