Solving Common Dishwashing Problems - Whirlpool DP840CWDB3 Use And Care Manual

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 25 for
service information.
Solution chart
PROBLEM
Food soil left
on dishes
CAUSE SOLUTION
Improper loading
Water temperature
too low
Follow loading instructions on pages 7-9.
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 20.
Use of incorrect, too
little, or ineffective
detergent
Use recommended dishwasher detergents
only. Follow recommendations on page 10 for
amounts. Never use less than 1 tablespoon per
load. Detergent must be fresh to be effective.
Always store detergent tightly-closed in a cool,
dry place.
Detergent cakes in
dispenser
Use fresh detergent only. Do not allow deter-
gent 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
lew water pressure
Home water pressure should be 20 to 120
pounds per square inch (psi) for proper
dishwasher fill. A booster pump on the water
supply may be necessary if pressure is
too low.
Spotting
and filming
Slowdown of wash Never use soap or laundry detergents. Use
arm due to high suds recommended dishwasher detergents only.
Hard water or high
mineral content in
water
Use rinse agent to help prevent spotting
and filming. See page 11. To remove hard
water film, see "Removing .spotsand film" on
page 23.
Water temperature
too tow
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 20.
Use of incorrect
detergents
Use recommended dishwasher detergents
only.
continued on next page
21