Active Vent; Overfill Protection Float - Kenmore Ultra wash 665.1377 Series Use & Care Manual

On top control models
The active vent reduces the sounds from your dishwasher. The
vent closes, after the cycle starts, to lock in sound. After the
cycle finishes and the dishes cool for several hours, the vent
opens. This keeps any water vapor from collecting on the
countertop. Between cycles, the vent stays open for airflow,
reducing the buildup of odors.
NOTE: There is a slight noise when the vent closes or opens. This
is normal.
The overfill protection float (in the front right corner of the
dishwasher tub) keeps the dishwasher from overfilling. It must be
in place for the dishwasher to operate.
Check under the float for objects that may keep the protector
from moving up or down.
On split control models
The active vent reduces the sounds from your dishwasher. The
vent closes, after the cycle starts, to lock in sound. The active
vent opens when wash action ends and vapor is vented into
room. Between cycles, the vent stays open for airflow, reducing
the buildup of odors.
NOTE: There is a slight noise when the cover closes or opens.
This is normal.
IMPORTANT: The vapor is hot. Do not touch the vent
during drying.
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