The dehumidification performance is affected by many factors, such as environmental humidity, temperature, space size, airflow speed and so on.

Check to see if the dehumidifier is upright as it should be.

The floor surface is not level.

The water tank is full, pour out the water in the water tank and put the water tank back into the original position.

The water tank is not in the proper position. Adjust the water tank in right place.

The unit was placed on an uneven floor.

The water plug may be loose.