638
DISHWASHING
WASHABILITY
FOOD SPECKS OR POORLY CLEANED
DISHES
Occasionally, a few items may have
un-removed food soil left on item at the end
of the cycle.
POSSIBLE CAUSES:
♦
Water temperature is too low.
Water should be 140° F. as it enters
the dishwasher.
Turn up the setting on the water heater. If
the dishwasher is not near the water heater,
let the water from the hot water tap run
before starting the dishwasher in order to
clear the line of cold water, especially when
using a short wash cycle.
If the water temperature is too low, an
alternative to turning up the water heater is
to use a water heating option (available on
some models). When selected, the heating
element in the dishwasher comes on during
water circulation to boost the water
temperature for better results.
♦
Not using enough dishwasher
detergent for the degree of water
hardness or the amount of food soil.
A general recommendation is one
teaspoon of detergent for each grain
of water hardness (gpg). Use a
minimum of three teaspoons (one
tablespoon) in soft water. Extra
detergent may be needed for greasy
pans or casseroles. Refer to the chart
below.
WATER DETERGENT
HARDNESS USE
Soft (0 –4 grains) 1 – 2 Tbs
Medium (5 – 8 grains) 2 – 3 Tbs.
Hard (9 – 12 grains) 3 – 4 Tbs.
Your local water utility can tell the degree of
hardness of the water supply. In rural areas
the state university extension service can
explain how to test the water hardness.
♦
Improper loading.
A. Blocking the center spray nozzle or
jet wash tower. If a large bowl or pan
is placed in the center of the lower
rack, the wash action will be blocked
when the rack is pushed in.
B. Larger items shielding smaller items
from washing action.
C. Nesting bowls, spoons, silverware so
water cannot reach all surfaces.
D. Restricting the rotation of either of
the spray arms. For example, a tall
item in the upper rack or an item
falling through the lower the rack.
E. Blocking the detergent dispenser
with a large object prevents the
detergent from mixing with the
water. Read User’s Guide for other
loading recommendations.
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