Whirlpool 915 User Manual

Page 23

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SOLVING COMMON DISHWASHING PROBLEMS

PROBLEM

CAUSE

SOLUTION

Spotting
and fiiming

(continued)

Use of incorrect

detergents

Incorrect amount

of detergent

Use of ineffective

detergents

Insufficient fill due to
low water pressure

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.

Cycie takes
extremeiy iong
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 compieteiy

Dishes do not drain
properly

Plastics

Dishes must have proper water drainage.
Do not overload. Follow instructions for
loading dishwasher on pages 7-11. Use a
liquid rinse agent to speed draining.

Some plastics, due to material, may
need to be towel dried.

Siiica fiim or
etching

(silica film is a

white iridescent
deposit; etching

is a cloudy film)

Water chemical reac­
tion with certain types
of glassware - usually
caused by some
combination of soft or
softened water,
alkaline washing
solutions, insufficient
rinsing, overloading
the dishwasher, and
heat of drying.

It may not be possible to prevent problem,

except by hand washing. To slow this
process, use a minimum amount of deter­
gent but not less than 1 tablespoon per
load. Use a liquid rinse agent and under-load
the dishwasher to allow thorough rinsing.
Silica film and etching are permanent and
cannot be removed. Use the Air Dry option.

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

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