Whirlpool DU2900XM manual Caused by

* .~

PROBLEM ” -.I-. ~,.-.--..

Dishes not washing clean

Etching - permanent tllmlng which cannot be removed

CAUSED BY

..~_ll.l.l__ “”___._, Water is not hot enough

Improper loading

Spray arm or arms not rototlng freely

Not enough detergenl or improper

detergent “0ld”detergent

Water pressure may be low, dishwasher IS

not filling properly

--I ,l I..^... -,.- _

loo much detergent in soft water

Inadequate rlnslng

SOLUTION

Water temperature should be at least 140 F (60-C). Set water heater thermostat to a hrgher settrng Run water at sink until hot before starting

Make sure dishes and glassware are loaded so spray reaches all surfaces and Items drain properly Do not ov- erload Do not nest items

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

Check spray arms to make sure they turn freely after load- ing. Be sure a utensil has not prevented thelrturning

Use more dtshwasher detergent Use detergent with high-

est available phosphorus content especially with hard water

Use only fresh, dry dishwasher detergent Store tlghtly closed box in cool, dry place Discard old, lumpy deter- gent Do not fill dispensers until ready to start dishwasher

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

Check for rainbow hue on glasses A rainbow hue IS the first sign of etching (corrosion of glass] Reduce the amount

of dishwasher detergent Use o detergent with o lower phosphorus content

If water pressure IS low do not use water for other purposes

while dishwasher IS running (to assure correct water fills] Make sure dishes and glassware are loaded properly to

assureadequate rinsing and draining Do not overload.

GA_. -. ,F .I F ,. ._.-.

Dlshes 6Iron or manganese in

lnterlor of water dlshwasher

yellow or brown

Temporary remedy:

1 Set empty dishwasher for a “one wash” cycle

2 Start dishwasher and unlatch door to stop it when it has filled for the wash part of the cycle.

3. Add ‘4 to ’ 2 cup (120 to 240 ml] of citric acid crystals

(usually available In drugstores)

4 Close and latch door to complete cycle

Permanent solution: Install an iron or manganese filter to home water supply

Small dark spots on flatware - stainless steel, silver plate, or sterling or rust spots on stainless steel

Bronze tarnish on silverplate

I“I.“l”.--.l-“l. Water left in bottom of dishwasher

Allowing salty or acidic foods such as

mayonnaise, vinegar, fruit juices, salad dressings, milk products to remain on flatware

Undissolved

detergent coming In contact with flatware

Silverplate IS worn off Exposed base metal to kes on CI bronzed

hue

,~.,.._... /.l-f .,..,. . Dishwasher cycle not completed

Clogged drown air gap

Rinse flatware that IS to stand for several hours before washing [use Rinse & Hold] Clean stained items with silver polish and re-wash. Do not put stalnless steel and sliver

flatware In the same sllverware basket compartment. Direct contact between these metals can cause perma- nent damage to the sllver.

Remove spots with silver polish. Avoid spilling dry deter- gent on wet flatware

Remove tarnish with silver polish Have silver replated

Allow dishwasher to complete cycle

Some plumbing codes require use of a drain air gap be-

tween an undercounter dishwasher and the drain system of the house. The air gap is usually located above the sink or on the top of the counter neorthe dishwasher to prevent the possibility of water backing up from the drain into the

dishwasher due to a plugged drain. The drain air gap is

NOT a part of the dishwasher and is NOT covered by the

dishwasher warranty. The drain air gap should be kept clean to insure proper draining of the dishwasher