Whirlpool 900 Dishwasher User Manual


 
PROBLEM
Spotting
and filming
(continued)
CAUSE
Use of incorrect
detergents
Incorrect amount
of detergent
Use of ineffective
detergents
Insufficient fill due to
low water pressure
SOLUTION
Use recommended dishwasher detergents
only.
Follow recommendations on page 12 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.
Cycle takes
extremely long
time
Water temperature
is too low
Dishwasher is not
installed properly
If needed, turn home water heater up to
ensure water entering dishwasher is 120°F
minimum. See “To check water temperature”
on page 21.
Undercounter dishwashers require ad-
equate enclosure for proper operation. See
Installation Instructions for complete
information.
Dishes do not
dry completely
Dishes do not drain
properly
Plastics
Dishes must have proper water drainage.
Do not overload. Follow instructions for
loading dishwasher on pages 7-l 1. Use a
liquid rinse agent to speed draining.
Some plastics, due to material, may
need to be towel dried.
Silica film or
etching
(silica film is a
white iridescent
deposit; etching
is a cloudy film)
Water chemical reac- It may not be possible to prevent problem,
tion with certain types
except by hand washing. To slow this
of glassware - usually
process, use a minimum amount of deter-
caused by some gent but not less than 1 tablespoon per
combination of soft or load. Use a liquid rinse agent and under-load
softened water,
the dishwasher to allow thorough rinsing.
alkaline washing
Silica film and etching are permanent and
solutions, insufficient cannot be removed. Use the Air Dry option.
rinsing, overloading
the dishwasher, and
heat of drying.
Black or gray
marks on
dishes
Aluminum items
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.
continued on next page
23