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Is the home water pressure high enough for proper
dishwasher filling? Home water pressure should be 20
to 120 psi (138 to 828 kPa) for proper dishwasher fill. A
booster pump on the water supply can be added if
pressure is too low.
NOTE:
To remove spots and film from dishes, try a white
vinegar rinse. This procedure is intended for occasional
use only. Vinegar is an acid and using it too often could
damage your dishwasher.
1.
Wash and rinse dishes. Use an air-dry or an energy-
saving dry option. Remove all silverware or metal
items.
2.
Put 2 cups (473 mL) white vinegar in a glass or
dishwasher-safe measuring cup on the bottom rack.
3.
Run the dishwasher through a complete washing
cycle using an air-dry or an energy-saving dry option.
Do not use detergent. Vinegar will mix with the wash
water.
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Silica film or etching (silica film is a milky, rainbow-
colored deposit; etching is a cloudy film)
Sometimes there is a water/chemical reaction with
certain types of glassware. This is usually caused by
some combination of soft or softened water, alkaline
washing solutions, insufficient rinsing, overloading the
dishwasher, and the heat of drying. It might not be
possible to prevent the problem, except by hand
washing.
To slow this process use a minimum amount of
detergent but not less than 1 tb (15 g) per load. Use a
liquid rinse aid and underload the dishwasher to allow
thorough rinsing. Silica film and etching are permanent
and cannot be removed. Do not use heated drying.
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White spots on cookware with non-stick finish
Has the dishwasher detergent removed cookware
seasoning? Reseason cookware after washing in the
dishwasher.
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Brown stains on dishes and dishwasher interior
Does your water have high iron content? Rewash dishes
using 1-3 tsp (5-15 mL) of citric acid crystals added to
the covered section of the detergent dispenser. Do not
use detergent. Follow with a Normal wash cycle with
detergent. If treatment is needed more often than every
other month, the installation of an iron removal unit is
recommended.
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Black or gray marks on dishes
Are aluminum items rubbing dishes during washing?
Disposable aluminum items can break down in the
dishwasher and cause marking. Hand wash these items.
Remove aluminum markings by using a mild abrasive
cleaner.
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Orange stains on plastic dishes or dishwasher
interior
Are large amounts of tomato-based foods on dishes
placed in the dishwasher? Stains can gradually fade
over time. Regular use of heated drying will slow fading.
Stains will not affect dishwasher performance. Regular
use of a rinse cycle and an air-dry or energy-saving dry
option will reduce the likelihood of staining.
Dishes do not dry completely
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Dishes are not dry
Did you load your dishwasher to allow proper water
drainage? Do not overload. Refer to the “Loading Your
Dishwasher” section. Use a liquid rinse aid to speed
drying.
Are the plastics wet? Plastics often need towel drying.
Is the rinse aid dispenser empty? Refer to the “Rinse Aid
Dispenser” section.
Did you use an air-dry or energy-saving dry option? Use
a heated drying option for dryer dishes.
Dishes are damaged during a cycle
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Chipping of dishes
Did you load the dishwasher properly? Load the dishes
and glasses so they are stable and do not strike together
from washing action. Minimize chipping by moving the
rack in and out slowly.
NOTE:
Antiques, feather-edged crystal, and similar
types of china and glassware might be too delicate for
automatic dishwashing. Wash by hand.