Whirlpool DU1098XL Use & Care Manual page 13

PROBLEM
Dishes not
washlng clean
Etching -
permanent
tllmlng which
cannot be
removed
Dishes &
lnterlor ot
dlshwasher
Small dark
spots on
tlatware -
stalnless steel,
sliver plate, or
sterling or rust
spots on
stalnless steel
Bronze tarnlsh
on sllverplate
Water left In
bottom at
dlshwasher
CAUSED BY
Water Is not
hot enough
Improper loadrng
Spray arm or arms not
rotating freely
Not enough detergenl
or improper
detergent
"0ld"detergent
Water pressure may
be low, dishwasher IS
not filling properly
Too much detergent
in soft water
Inadequate rinsing
Iron or manganese In
water
Allowrng salty or
acidic foods such as
mayonnaise. vinegar,
fruit lurces, salad
dressrngs. milk
products to remain on
flatware
Undissolved
detergent coming In
contact with flatware
Stlverplate is worn off
Exposed base metal
takes on a bronzed
hue.
Dishwasher cycle not
completed
Clogged drown air
gap
SOLUTION
Water temperature should be at least 14O'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 drown properly. Do not ov-
erload Do not nest items
Make sure large items do not block spray from reachrng
detergent dispensers.
Check spray arms to make sure they turn freely after load-
Ing
Be sure o utensrl hos not prevented thelrturnlng
Use more dishwasher detergent. Use detergent with high-
est ovorlable 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 tostart 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 glosses. A rainbow hue is the
first srgn of etching (corrosion of gloss]. Reduce the amount
of dishwasher detergent Use CI detergent with 0 tower
phosphorus content
If water pressure
IS
low do not use water for other purposes
whrle dishwasher
IS
runnrng (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 Start dishwasher and unlatch door to stop it when it has
filled for the wash part of the cycle
2 Add 1a to 1 z cup (120 to 240 ml) of citric acid crystals
(usually available in drugstores).
3 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. 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 permanent damage to
the silver.
Remove spots with silver polish Avoid spilling dry deter-
gent on wet flatware
Remove tarnish with silver polish Hove silver replated.
Allow dishwasher to complete cycle.
Some plumbing codes require use of a drain air gap be-
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 o 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.