Common Dishwashing - Whirlpool DU9450XT Use & Care Manual

Undercounter dishwasher
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Common dishwashing
problems
PROBLEM
CAUSED BY
SOLUTION
Spotmg
and
Hard water
fllmlng
(hard
water
film)
Water is not
hot enough
Not enough
detergent,
or
improper
detergent
"0ld"detergent
Improper
loading
No rinse aid
AIR DRY Setting
used
Fill detergent
dispensers
to capacity.
Use dishwasher
de-
tergent
with
highest
available
phosphorus
content.
May
be necessary
to install
water
softener.
To remove
spots and film, try a vinegar
rinse...
I. Wash and rinse load
as usual. Use AIR DRY.
2. Remove
all metal
items.
3. Put 2 cups (500 ml] white
vinegar
in a container
on the
bottom
rack.
4. Run dishwasher
through
a complete
washing
cycle.
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
Option.
Use more dishwasher
detergent.
Use detergent
with high-
est available
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.
Make
sure dishes
and
glassware
are
loaded
so spray
reaches
all surfaces
and
items dram
properly.
Do not ov-
erload.
Do not nest Items.
Make
sure large
items do not block
spray
from reaching
detergent
dispensers.
Does the rinse aid dispenser
need
filling?
See instructions
on page
7.
Drying
without
heat may result in some spotting
of glasses
and silver.
Small partlcles
Spray arm or arms not
Check
spray
arms to make
sure they turn freely
after load-
deposlted
on
rotatrng
freely
ing Be sure o utensil
has not prevented
their turning.
Items
"0ld"detergent
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.
Not enough
Use more dishwasher
detergent.
Use detergent
wrth hrgh-
detergent,
or
est available
phosphorus
content...especially
wrth hard
improper
detergent
water.
Water is not hot
Water
temperoture
should
be at least
140°F (6O"CJ.
Set
enough
water
heater
thermostat
to a higher
setting.
Run water
at
sink until
hot before
starting
and/or
use HI-TEMP WASH
Option.
Water pressure
may
If water
pressure
is low, do not use water
for other purposes
be low, dishwasher
is
while
dishwasher
is running
[to assure correct
fills).
not fillina
oroaerlv
Dlshes
not dry
Water is not hot
enough
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
Option.
Improper
loading
Make
sure dishes
and
glassware
are loaded
so spray
reaches
all surfaces
and items drain
properly.
Do not ov-
erload.
Do not nest items
No rinse aid
Fill rinse aid dispenser.
AIR DRY Setting
used
Allow
more
time when
using AIR DRY Option,
or use HEAT
DRY. Plastic
items may need
towel
drvina.
Black
marks
on
Aluminum
utensils
dlshes
Use care
In loading
alumlnum
utensils,
especially
any
rubbing
against
items
llghtwelght
toll
container.
Place
so they
do not touch
during
washing
dishes.
Remove
black
marks
with
plastic
scouring
pad
and a mild abrasive
cleanser.
Chlpplng
or
breaking
glassware
Improper
loading
Do not overload.
Load glasses
in the top rack only. Lood
between
prongs,
not over
them.
Glasses
loaded
over
prongs
will not be supported
and may chip or break.
continued
on next page
15

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