Reason 1： The washing machine is slanting.
Solution： Adjust the washing machine to be even.
Reason 2： The laundries put slantingly in spinning.
Solution： Level the laundries and close the top lid.
Reason 3： Foreign materials such as coins are in the tub.
Solution： Get out the foreign materials.
Reason 4： The lint filter falls off.
Solution： Please re-install the lint filter.
Reason 5: The laundries in the tub are over capacity.
Solution: Reduce the laundries.