Whirlpool DU7500XR Series Dishwasher User Manual


 
PROBLEM
Dishes not
washing clean
Cloudy film on
glassware,
etching -
permanent
corrosion
Dishes .4
lnterlor of
dlshwasher
yellow or
brown
Rust spots on
stalnless steel
-OR-
Dark spots on
flatware -
stalnless steel,
sliver plate, or
sterllng
Bronze tarnish
on silverplate
Water lett in
bottom ot
dishwasher
CAUSED BY
Water is not
hot enough
improper loadng
Spray arm or arms not
rotating freely
Not enough detergent
or improper
detergent
“0ld”detergent
Water pressure may
be low. dishwasher
IS
not filling properly
Too much detergent
in soft water
Inadequate rrnsrng
Iron or manganese in
water
Allowing salty or
acidic foods such as
mayonnaise, vtnegar,
fruit juices. salad
dressings, milk
products to remain on
flatware
Undissolved
detergent coming In
contact with flatware
Silverplate
IS
worn off
Exposed base metal
to kes on a bronzed
hue
Dishwasher cycle not
completed
Clogged drain arr
gap
SOLUTION
Water temperature should be at least ?40 F (60 C]. Set
water heater thermostat to a higher setting Run water at
sink until hot before starting 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 utensrl has not prevented therr turning
Use more dishwasher detergent Use detergent wrth hrgh-
est avorloble phosphorus content especially with hard
water
Use only fresh dishwasher detergent. Store tightly closed
container, in cool, dry place. Discard old detergent. 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 gloss) Reduce the amount
of drshwasher detergent Use a detergent wrth a lower
phosphorus content
If water pressure
IS
low do not use water for other purposes
while dishwasher IS running [to assure correct water frlls)
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
11
when it has
filled for the wosh part of the cycle
3 Add’ato’ 2 cup (120 to 240 ml) of crtnc 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
Rrnse flatware that
IS
to stand tor several hours before
washing [use Rrnse & Hold) Clean stofned items with silver
polish and re-wash Do not put stalnless steel and sliver
tlatware In the same sllverware basket compartment.
Direct contact between these metals can cause perma-
nent damage to the sliver.
Remove spots with silver polish. Avoid spelling concentrated
detergent on wet flatware
Remove tarnish with silver polrsh Have sliver replated
Allow dishwasher to complete cycle
Some plumbrng codes requrre use of a drain err gap be-
tween an undercounter dishwasher and the drain system
of the house The err gap
IS
usually located above the sink
or on the top of the counter near the dishwasher to prevent
the possibtlrtv of water backing up from the drain into the
dishwasher due to CI pluggedbrain The drain air gap
IS
NOT a part of the dishwasher and
IS
NOT covered bv the
dishw&her warranty The drain air gap should be kept
clean to Insure proper drainrng of the dishwasher