Whirlpool DU9700XT Series Use & Care Manual page 16

Undercounter dishwasher
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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

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