CommonDishwashingProblems

Spotting and filming (hard water film) Hard water

Fill detergent dispensers to capacity. Use dishwasher detergent with highest available phosphorus content. May be necessary to install water softener.

To remove spots and film, try a vinegar rinse..

1.Wash and rinse load as usual. Use Air Dry Option.

2.Remove all metal items.

3.Put 2 cups (500 mL) white vinegar in a container on the bottom rack.

4.Run dishwasher through a complete washing

cycle.

Water Is not hot enough

Water temperature should be at least 140°F (60%). Set water heater thermostat to a higher setting. Run water at sink until hot before starting.

Not enough detergent, or improper detergent

Use more dishwasher detergent. Use detergent with highest available phosphorus con-

tent.. .especially with hard water.

“Old” detergent

Use only fresh dishwasher detergent. Store tlghtly closed container, in cool, dry place. Discard old detergent. Do not fill dispensers until ready to start dishwasher.

Improper loading

Make sure dishes and glassware are loaded so spray reaches all surfaces and items drain properly. Do not overload. Do not nest items.

Make sure large items do not block spray from reaching detergent dispensers.

No rinse aid

Does the rinse aid dispenser need filling? See instructions on page 10.

AIR DRY Setting used

Drying without heat may result in some spotting of glasses and silver.

Small particles deposited on items Spray arm not rotating freely

Check spray arm to make sure it turns freely after loading. Be sure a utensil has not prevented its turning.

“Old” detergent

Use only fresh dishwasher detergent. Store tightly closed container, in cool, dry place. Discard old detergent. Do not fill dispensers until ready to start dishwasher.

Not enough detergent, or improper detergent

Use more dishwasher detergent. Use detergent with highest available phosphorus content...

especially with hard water.

Water is not hot enough

Water temperature should be at least 140°F (60%). Set water heater thermostat to a higher setting. Run water at sink until hot before starting.

Water pressure may be low, dishwasher is not filling properly

If water pressure is low, do not use water for other purposes while dishwasher is running (to assure correct fills).

Dishes not dry

Water is not hot enough

Water temperature should be at least 140°F (60%). Set water heater thermostat to a higher setting. Run water at sink until hot before starting.

Improper loading

Make sure dishes and glassware are loaded so spray reaches all surfaces and items drain properly. Do not overload. Do not nest items.

No rinse aid

Does the rinse aid dispenser need filling? See instructions on page 10.

AIR DRY Setting used

Allow more time when using Air Dry Option, or use Heat Dry Option. Plastic items may need towel drying.

Black marks on dishes

Aluminum utensils rubbing against items during washing

Use care in loading aluminum utensils,

especially any lightweight foil container. Place so they do not touch dishes. Remove black marks with plastic scouring pad and a mild abrasive cleanser.

Chipping or breaking glassware

Improper loading

Do not overload. Load glasses in the top rack only. Load between prongs, not over them. Glasses loaded over prongs will not be supported and may chip or break.

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Whirlpool DU500OXW, DU4099XX manual CommonDishwashingProblems, Not enough detergent, or improper detergent, Improper loading