Whirlpool 400 Series Use And Care Manual page 22

PROBLEM
Spotting and
filming
(continued)
CAUSE
Incorrect amount
of detergent
Use of ineffective
detergents
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.
Insufficient fill due to
low water pressure
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
dry completely
Dishes must have proper water drainage.
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 fllm or
Water chemical
etching
It may not be possible to prevent problem,
reaction with certain
(silica film is a
except by hand washing. To slow this
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 cloudy film)
soft or softened water,
dishwasher to allow thorough rinsing. Silica
alkaline washing film and etching are permanent and cannot
solutions, insufficient
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.
non-stick finish
22