Solving common dishwashing problems, Solution chart – Whirlpool 940 User Manual
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Solving Common
Dishwashing Problems
A convenient checklist for handling minor performance problems. Go over this list before
calling for service. If you are unable to solve your dishwasher’s problem, turn to page 24 for
service information.
Solution chart
PROBLEM
CAUSE
SOLUTION
Food soil left
Improper loading
Follow loading instructions on pages 6-9.
on dishes
Water temperature
Use the HIGH TEMP WASH option. If
too low
needed, turn home water heater up to
ensure water entering dishwasher is 120°F
(49°C) minimum. See "To check water
temperature" on page 19. NOTE: In some
cases, loads may not dry as well when using
the HIGH TEMP WASH option.
Use of incorrect, too
Use recommended dishwasher detergents
little or ineffective
only. Follow recommendations on page 10
detergent
for amounts. Never use less than one
tablespoon per load. Detergent must be
fresh to be effective. Always store detergent
tightly-closed in a cool, dry place.
Detergent cakes in
Use fresh detergent only. Do not allow
dispenser
detergent to sit for several hours in a wet
dispenser. Check dispenser for caked
detergent. Clean dispenser when caked
detergent is present.
Insufficient fill due to
Home water pressure should be 20 to 120
low water pressure
pounds per square inch (psi) for proper
dishwasher fill. A booster pump on the water
supply may be necessary if pressure is
too low.
Slowdown of wash
Never use soap or laundry detergents. Use
arm due to high suds
recommended dishwasher detergents only.
Spotting
Hard water or high
Use rinse agent to help prevent spotting
and filming
mineral content in
and filming. See page 11. To remove hard
water
water film, see “Removing spots and film” on
page 22.
Water temperature
Use the HIGH TEMP WASH option. If
too low
needed, turn home water heater up to
ensure water entering dishwasher is 120°F
(49°C) minimum. See “To check water
temperature” on page 19. NOTE: In some
cases, loads may not dry as well when using
the HIGH TEMP WASH option.
Use of incorrect
Use recommended dishwasher detergents
detergents
only.
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