Whirlpool DU8903XL Dishwasher User Manual


 
PROBLEM
CAUSED BY
.
Dishes not
Water is not
washing clean
hot enough
Improper loading
Spray arm or arms not
rotating freely
Not enough detergeni
or improper
detergent
“0ld”detergent.
Water pressure may
be low, dishwasher is
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not filling properly
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Etching -
Too much detergent
permanent in soft water
filming which
cannot be
removed
Inadequate rinsing
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Dishes 6
interior of
Iron or manganese in
water
dishwasher
yellow or
brown
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Small dark Allowing salty or
spots on acidic foods such as
flatware -
mayonnaise, vinegar,
stainless steel,
fruit juices, salad
sliver plate, or
dressings, milk
sterling or rust products to remain on
spots on
flatware.
stalniess steel
Undissolved
detergent coming in
contact with flatware
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Bronze tarnish
Silverplate is worn off
on silverplate
Exposed base metal
takes on a bronzed
hue.
SOLUTION
Water temperature should be at least 140°F (60°C). Set
water heater thermostat to a higher setting. Run water at
sink until hot before startrng and/or use HI-TEMP WASH
Option.
Make sure dishes and glassware are loaded so spray
reaches all surfaces and items drain properly. Do not ov-
erload. Do not nest items.
Make sure large items do not block spray from reaching
detergent dispensers.
Check spray arms to make sure they turn freely after load-
ing. Be sure a utensil has not prevented therrturning.
Use more dishwasher detergent. Use detergent with high-
est available phosphorus content...especiolly with hard
water
Use only fresh, dry dishwasher detergent. Store tightly
closed box in cool, dry place. Discard old, lumpy deter-
gent. Do not fill dispensers until ready to start dishwasher.
If water pressure is low, do not use water for other purposes
while dishwasher is running (to assure correct fills).
Check for rainbow hue on glasses. A rainbow hue is the
first sign of etching (corrosion of glass]. Reduce the amount
of dishwasher detergent. Use a detergent with o lower
phosphorus content.
If water pressure is low do not use water for other purposes
while dishwasher is running [to assure correct water fills].
Make sure dishes and glassware are loaded properly to
assure adequate rinsing and draining. Do not overload.
Temporary remedy:
I. Set empty dishwasher for o “one wash”cycle.
2. Start dishwasher and unlatch door to stop it when it has
filled for the wash part of the cycle.
3. Add l/4 to % cup (120 to 240 mL] of citric acid crystals
(usually available in drugstores).
4. Close and latch door to complete cycle.
Permanent solution: Install an iron or manganese filter to
home water supply.
Rinse flatware that is to stand for several hours before
washing [use Rinse & Hold]. Clean stained items with silver
polish and re-wash. Do not put stainless steel and
Silver
flatware in the same silverware basket compartment.
Direct contact between these metals can cause perma-
nent damage to the silver.
Remove spots with silver polish. Avoid spilling dry deter-
gent on wet flatware.
. . . . ..* ,
Remove tarnish with silver polish. Have silver replated.
Water left in
Dishwasher cycle not
Allow dishwasher to complete cycle
bottom of
completed
dishwasher
Clogged drain air Some plumbing codes require use of a drain air gap be-
gap
tween an undercounter dishwasher and the drain system
of the house. The air gap is usually located above the sink
or on the top of the counter near the dishwasher to prevent
the possibility of water backing up from the drain into the
dishwasher due to o plugged drain. The drain air gap is
NOT a part of the dishwasher and is NOT covered by the
dishwasher warranty. The drain air gap should be kept
clean to insure proper drainrng of the dishwasher.
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