Whirlpool 930 - Manual (Page 23)

Solving Common
Dishwashing Problems
Following is 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 the
“Troubleshooting” section for service information.
Solution chart
PROBLEM CAUSE SOLUTION
Food soil left
on dishes Improper loading
Water temperature
too low
Follow loading instructions.
If needed, turn home water heater up to ensure
water entering dishwasher is 120°F (49°C)
minimum. See the “Energy saving tips” section.
Use of incorrect, too
little, or ineffective
detergent
Use recommended dishwasher detergents only.
See the “Using the detergent dispenser” section.
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 only fresh detergent. 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
low 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.
Slowdown of wash
arm due to high suds Never use soap or laundry detergents. Use only
recommended dishwasher detergents.
Spotting
and filming Hard water or high
mineral content in
water
Use rinse agent to help prevent spotting
and filming. See the “Using the detergent
dispenser” section. To remove hard water film,
see “Removing spots and film” at the end of
this section.
Water temperature
too low If needed, turn home water heater up to ensure
water entering dishwasher is 120°F (49°C)
minimum.
Use of incorrect
detergents
Use recommended dishwasher
detergents only.
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