Common
Dishwashing
Problems
and Solutions
Dishes
not
clean--Check
pages
4 to 9 for
information
on correct
wash
cycle, proper
loading,
water
temperature,
water'
pressure_
hard
water,
amount
of detergent,
old and ineffective
detergent,
and dish placement,
Dishes not drying
can be greatly improved
by
using a rinse aid and very hot water.
Hot water
raises temperature
of dishes to speed up drying.
When loading,
invert cups and bowls so that water
can run off. Avoid nesting of articles. If dishes are
n9t co_m_le rely_dry_ a3te _n d_ .__o __. _cy_cl_
e. (vchi__q h= .may.
occury¢hen
COOL DRY setting is used), open door,
roll out racks, and allow dishes to air dry.
Spotting--Spots
form when hacd water droplets
evaporate
leaving a deposit.
Low phospham
detergents
increase
the proble_
i.n hard water', To
prevent,
use hot water and a detergent
with a
higher leveI of phosphates
(preferably
8°7% or
higher), or use more of a tow phosphate
detergent.
Be sure to use a rinse aid. If water is very hard, it
:nay be necessary
to install a water softener
Load
_iasses and plates so they have minimum
contact
vith racks and pins. Avoid overloading,
Spotting
vLUoccur where dishes and glasses touch.
:loud]/films
and streaking
are usually
:aused by a combination
of hard water and an
C_su_cient amount
of detergent,
Low p_hgsphate
!etergents
are also a factor,
To correct,
increase
mount of detergent,
check water temperature
and
Iways use a rinse aid If water is very hard, it may
e necessary
to install a water softener
!tched
film on glassware
is caused by using
)o much detergent
in soft or softened
ware> This
tm cannot be removed,
It is more likely to occur'
n soft leaded glass or expensive
crystal .am eazty
aming of this condition
is a cloudy iridescent
)pearance
on glasses. To prevent,
be sure
shwasher
is getting a full fill ofwater_ Water
_ould reach base of heating
element.
If water
vel is low-, have water' pressure
checked
by a
umber'. Use less detergent
and make sure water
mperatur'e
is not higher than 150°F (66°C),
_derload to assure thorough
rinsing. Use the
)OL DRY Option.
...................
Chipped dishes and glasses can
result
from
rough handling
and improper
loading.
Do not put
glasses in direct contact with other items° Place
glasses securely against pins_
Crazing
of older
china
andpottery
happens
when items are subjected
to very hot
water. Once crazing (fine cracks in the glaze)
appears,
it cannot be removed,. Do not machine
wash again or condition
may worsen.
Coffee
and-tea-stains
.can occur when
water-
contains
traces of iron_ To avoid stains,
rinse cups
our immediately
after use Increase
amount
of
detergent
and use a rinse aid, Water temperature
should be approximately
140°F (60°C). If problem
persists,
install a water' softener with an k'on
removal unit, To remove stains, hand wash
cups in
solution
of 1/2 cup (120 ml) bleach and a quart
(1 L) of warm water, Pdnse thoroughly.
Gray-black
stains
on dishes
are caused
by
manganese
in water supply, To correct,
install
a
manganese
faltering system into house
vcater
supply.
Reddish-brown
stains on dishes, glasses
and
interior
are caused by iron in water,
To
avoid iron stain, increase detergent,
use water
heated £o app_rpxLmatety_ !..4.02E(60.°C) and a rinse .......
aid. It may be necessary
to install a water
softener
with an iron removal unit. To improve
appearance,
use a commercial
rust and lime scale remover.
Plastic items
can lose their shape due to high
temperatures
of automatic
dishwashing,
Read
labeIs before washing.
Place washable
items
in top
rack away from heating
element.
Discoloration
of plasticware
by some
foods,
such as tomato sauce, can stain plasticware,
If
stained,
soak item in solution
of 1 tablespoon
dishwasher
detergent
and a quart of hot water
or
in a solution
of I12 cup (120 ml) bleach and
a
quart of hot water'
Fading of patterns
and metallic
trim
is .due to_ many wa_shiings,...detergent and h.ot water.
Most of today's china is dishwasher
safe. Antique,
handpainted
china, and handpainted
pottery
should be washed by hand
t3