Whirlpool DU9700XT Dishwasher User Manual


 
PROBLEM
Dishes not
washing clean
Cloudy film on
glassware,
etching -
permanent
corrosion
Dishes &
interlor 01
dlshwasher
yellow or
brown
Rust spots on
stainless steel
-OR-
Dark spots on
flatware -
stalnless steel,
sllver plate, or
sterling
Bronze tarnish
on silverplate
Water left In
bottom of
dishwasher
CAUSED BY
Water Is not
hot enough
Improper loodlng
Spray arm or arms not
rotating freely
Not enough detergent
or improper
detergent
Old” detergent
Water pressure may
be low, dishwasher IS
not filling properly
loo much detergent
In soft water
Inadequate rinsing
Iron or manganese In
water
Allowlng salty or
acldlc 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 off
Exposed base metal
takes on a bronzed
hue
DIshwasher cycle noi
completed
Clogged drain air
gap
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 and or use HI-TEMP WASH
Optlon
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 theirturning
Use more dishwasher detergent Use detergent with high-
est ovaltable 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 dtspensers until ready to start dishwasher
If water pressure
IS
low, do not use water for other purposes
while dlshwasher is running (to assure correct fills]
Check for rotnbow 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:
4 Set empty dishwasher for a “one wash” cycle
2 Start dishwasher and unlatch door to slop tt when It has
filled for the wash part of the cycle
3 Add ‘4 to ‘) cup (120 to 240 ml) of citric acid crystals
(usually avallable in drugstores)
4 Close and iatch door tc complete cycle
Permanent solution: InstrIll 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 stalnless steel and sllver
flatware In the same sllverware basket compartment.
Direct contact between these metals can cause perma-
nent damage to the sllver.
Remove spots wtth sliver polish. Avoid spilling concentrated
detergent on wet flatware.
Remove tarnish with silver polish Have silver replated
Allow dIshwasher to complete cycle
Some plumbing codes require use of a drain atr gap be-
tween an undercounter drshwasher 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
aishwasher due to a plugged drown The drain atr gap
IS
NOT a part of the dlshwasher and is NOT covered by the
dlshwasher warranty The drain air gap should be kept
ciean to insure proper draining ofthe dishwasher