Whirlpool DU4003XL Use & Care Manual page 13

PROBLEM
Dishes not dry
Black marks on
chlna or whlte
utensils
Chlpplng or
breaklng
glassware
Etching -
permanent
fllmlng which
cannot be
removed
Dlshes &
lnterlor of
dlshwasher
yellow or
brown
Small dark
spots on
tlatware -
stalnless steel,
silver plate, or
sterling or rust
spots on
stainless steel
Bronze tarnish
on sllverplate
Water lett In
bottom of
dishwasher
CAUSED BY
Water is not hot
enough
Improper loading
No rinse aid
AIR DRY Setting used
Aluminum utensils
rubbing against items
during washing
Improper loading
Too much detergent
in soft water
Inadequate rinsing
Iron or manganese in
water
Allowing salty or
acidic foods such as
mayonnaise, vinegar,
fruit juices, salad
dressings, milk
products to remain on
flatware.
Undissolved
detergent coming in
contact with flatware
Silverplate is worn 017
Exposed base metal
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 starting.
Make sure dishes and glassware are loaded so spray
reaches all surfaces and items drain properly. Do not ov-
erload. Do not nest.
Fill rinse aid dispenser.
Allow more time when using AIR DRY Option, or use HEAT
DRY. Plastic items may need towel drying.
Use care In loadlng alumlnum utensils, especially any
llghtwelght foil container. Place so they do not touch
dlshes. Remove black marks with plastic scouring pad
and a mild abrasive cleanser.
Do not overload. Load glasses in the top rack only. Load
between prongs, not over them. Glasses loaded over
prongs will not be supported and may chip or break.
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 a 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:
1. Set empty dishwasher for a "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 '/4 to % CUD 1120 to 240 ml1 of citric acid crvstals
(usually avoilat& in drugstoresj.
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
Dolish and re-wash. Do not Dut stalnless steel and sliver
ilatware In the same sllve;ware basket compartment.
Direct contact between these metals can cause perma-
nent damage to the sllver.
Remove spots with silver polish. Avoid spilling dry deter-
gent on wet flatware.
Remove tarnish with silver polish. Have silver replated
takes on a bronzed hue
Dishwasher cycle not Allow dishwasher to complete cycle.
completed
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 a 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 draining of the dishwasher.