Whirlpool 400 Series Use And Care Manual page 22

PROBLEM
Spotting
mnd filming
[ccMltinued)
CAUSE
Incorrect amount
of detergent
Use of ineffective
detergents
Insufficient fill due to
bw water pressure
SOLUTION
Follow recommendations on page 10 for
amount. Heavy soil and/or hard water
generally require extra detergent.
Use fresh detergent. Store detergent tightly-
closed in a cool, dry place. Discard lumpy
detergent.
Home water pressure should be 20 to 120
psi for proper dishwasher fill. A booster
pump on the water supply may be neces-
sary if pressure is too low.
Dishes do not
Dishes do not drain Dishes must have proper water drainage.
dry completely
properly
Do not overload. Follow instructions for
loading dishwasher on pages 7-9. Use a
liquid rinse agent to speed draining.
Plastics Some plastics, due to material, may need to
be towel dried.
Silica flim or
Water chemical
It may not be possible to prevent problem,
etching
reaction with certain except by hand washing. To slow this
(silica film is a
types of glassware -
process, use a minimum amount of deter-
white iridescent
usually caused by
gent but not less than 1 tablespoon per load.
deposit; etching
some combination of Use a liquid rinse agent
and
underload the
is a
cbudy film)
soft or softened water,
dishwasher to allow thorough rinsing. Silica
alkaline washing film and etching are permanent
and
cannot
solutions, insuffiiient be removed. Use the AIR DRY option.
rinsing, overloading the
dishwasher, and heat
of drying.
Black or gray
Aluminum items
marks on dishes
touching dishes
Load aluminum items so that they will not
rub against dishes during washing. Do not
wash throwaway aluminum items in the
dishwasher because they may break down
and cause marking. Remove aluminum
markings by using a mild abrasive cleanser.
White spots on
Seasoning removed by Reseason cookware after dishwasher
cookware with
dishwasher detergents washing.
norwtkk finish
22