Whirlpool DU018DW manual Problem, Solution, Motor noise is heard before water, enters the tub

COMMON DISHWASHING PROBLEMS AND SOLUTIONS

Problem	Solution
Motor noise is heard before water	This is normal. Each cycle starts with a pre-
enters the tub.	drain before water enters the tub.
Dishes are not clean.	Water temperature is 120°F?
	Racks loaded properly?
	Detergent fresh?
	Water pressure is adequate?
Dishes are not dry.	Water temperature is 120°F?
	Rinse aid dispenser filled?
	Items loaded to permit proper drainage?
Water spotting or filming.	Water temperature is 120°F?
	Racks loaded properly?
	Water too hard?
	Correct amount of fresh detergent?
	Rinse aid dispenser filled?
Rust deposits.	Caused by iron in water. For a permanent
	solution, install an iron filter in the water line.
	To remove the deposits: 1. Load the stained
	items, but do not load silverware or metal
	items. 2. Run dishes through full cycle using
	1/2 cup citric acid crystals. DO NOT use
	detergent during this treatment cycle. 3. After
	treatment, wash load with detergent in full
	cycle.
Aluminum discoloration.	Certain water conditions, in combination with
	some detergents, may tend to darken
	aluminum. Scour all surfaces with a soap-
	filled pad. Try another detergent.
Black marks on dishes.	Metal items touching or rubbing against
	dishes during washing. Load such items so
	they do not touch.
Dish fading.	Decoration which is applied to glazed surface
	is most susceptible. Consult with
	manufacturer. If no information is available,
	as is the case with old china, test wash a
	piece several times.

Note: Colored aluminum, cast iron and bone handled items, hand-painted china, wooden, plastic, and rubber items which are not labeled “Dishwasher Safe” should be washed by hand.

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