For Best Results; The Filtering System; Water Must Be Hot; Quiet )Perating Ttps - Whirlpool DU7400XS series Use & Care Manual

Undercounter dishwasher
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For Best Results
Your dishwasher
cleans
by spraying
a mix-
ture of hot, clean
water
and detergent
against
soiled
surfaces
of dishes.
When
a cycle
is
started, the dishwasher
fills with water to about
the level
of the heating
element.
This water
is
pumped
through
the
rotating
spray
arms,
drained
through
the
filter
system
which
re-
moves
food
and
soil,
and
pumped
back
through
the rotating
spray
arms. Soiled
water
is pumped
out and replaced
with clean
water
during
a cycle
- the number
of times depends
on the cycle
being
used.
Load dishes so soiled surfaces face
pow-
erful spray from rotating
arms.
The self-cleaning
filtering system
and
removable
pump
guard help eliminate
pre-
rinsing by removing
food particles
from the
water.
The filtering
system
It is not necessary
to rinse dishes
before
3.
putting them into the dishwasher.
Just remove
large pieces
and quantities
of food and bones.
4.
The filtering
system
helps keep
food
particles
out ofthe wash water. Small particles
are flushed
I.
away
as water
is pumped
out. Larger particles
are trapped
in the pump
guard.
2.
To remove
the pump
guard
for cleaning..
1. Wait at least 20 minutes after
a cycle
for
3.
the heating
element
to cool down.
2. Unload
and
remove
the bottom
rack.
Press the outside
wall
of the
pump
guard
at
the center
to release
the latch.
Lift out and
rinse
clean.
To replace
the pump
guard...
Insert pump
guard
legs [on inside wall]
into
matching
openings
in filter screen.
Press down
on outside
wall until latch snaps
into place.
Replace
bottom
rack with rack bumpers
in
front.
Water
must
be hot
f
__
140 F
Check
Water
Temperature
For best cleaning
and drying results, water should be at least
140°F (60°C).
1. Turn on hot water faucet
nearestthe
dishwasher.
Let water run
until it is as hotas
possible.
2. Hold a candy
or meat thermometer
in the stream of hot water
to measure
the temperature.
3. If the temperature
is too low, have
a qualified
person
raise
the water
heater thermostat
setting.
Quiet operating
tips
Toavoid
thumDing
and clattering
noises during
operation:
• Make sure lightweight
load items are secured
in the rack.
• Make
sure pot lids and
handles,
pizza pans,
cookie
sheets, etc. do not touch
interior
walls
or interfere
with
either
of the spray
arms
rotation.
• Load dishes so they don't touch one another.
NOTE: Keep slnk draln plugs inserted
during
dlshwasher
operation
to prevent noise trans-
fer through dralns.

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