Whirlpool 900 Series Use And Care Manual page 19

PROBLEM
Spotting
and filming
(continued)
CAUSE
Use of incorrect
detergents
Incorrect amount
of detergent
SOLUTION
Use recommended dishwasher detergents
only.
Follow recommendations on page 10 for
amount. Heavy soil and/or hard water
generally require extra detergent.
Use of ineffective
detergents
Use fresh detergent. Store detergent tightly-
closed in a cool, dry place. Discard lumpy
detergent.
Cycle takes
extremely long
time
Dishes do not
dry completely
insufficient fill due to
low water pressure
Water temperature
is too low
Dishwasher is not
installed properly
Dishes do not drain
properly
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.
If needed, turn home water heater up to
ensure water entering dishwasher is 120°F
(49°C) minimum. See "To check water
temperature" on page 17.
Undercounter dishwashers require ad-
equate enclosure for proper operation. See
Installation Instructions for complete
information.
Dishes must have proper water drainage.
Do not overload. Follow instructions for
loading dishwasher on pages 6-9. Use a
liquid rinse agent to speed draining.
Plastics
Some plastics, due to material, may
need to be towel dried.
Silica film 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 detergent
white iridescent usually caused by but not less than one 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
Load aluminum items so that they will not
marks on dishes touching dishes 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
continued on next page
19