Bosch SHEM78ZH5N Operating Instructions Manual page 57

Colored (blue, Film from mixture of food and min-
yellow, brown), eral deposits.
film in the dish-
Film formed by oxidation of silver or
washer or on
aluminum cookware.
stainless steel
cutlery/ cook-
ware.
Colored (yel- Soapy film from mixture of food and
low, orange, hard water.
brown), easily
removable film
inside the dish-
washer (mainly
in the floor
area)
Plastic parts Water drops form on plastic sur-
stained or dis- faces and leave visible stains after
colored. drying.
Plastic parts inside the dishwasher
may become discolored over time.
Rinse temperature is too low.
Dishes pre-cleaned too well, so
dishwasher defaults to a less inten-
sive wash cycle and stubborn soil-
ing isn't removed.
Detergent resi- Detergent dispenser cover 9:
due in tub, was blocked by dishes and doesn't
detergent dis- open fully.
penser or
detergent tab
Spray arms are blocked by dishes
tray.
and detergent isn't rinsed out.
Detergent dispenser cover 9:
blocked by the detergent tab.
The detergent dispenser was damp
when filled.
Detergent tab used in the quick or
short wash cycle.
Dissolving time of the detergent is
not reached in the selected short
wash cycle.
Old detergents can be ineffective
and not dissolve well.
Troubleshooting en-us
Can be partly removed with dishwasher
cleaner or mechanical cleaning.
Can be partly removed with dishwasher
cleaner or mechanical cleaning.
Use water softener* - refill with salt or
increase setting where necessary. Use dish-
washer detergent instead of a 3 in 1 or Eco
detergent.
Use more intensive wash cycles (which pro-
vide more water changes), arrange dishes in
a sloping position and use rinse aid. If dish-
washer has a water softener, increase soft-
ening setting.
Some plastics discolor normally, which is
not due to the dishwasher.
Select more intensive wash cycles with
higher washing temperatures.
Do not pre-rinse dishes and remove only
large food deposits.
Don't place dishes above the detergent tab
tray 1B.
Do not place dishes or fragrance dispenser
in the detergent tab tray.
Make sure spray arms can rotate freely.
Detergent tab must be inserted flat and not
upright.
Make sure the detergent dispenser is dry
before adding detergent.
When using quick or short wash cycles use
a detergent powder or select a more inten-
sive wash cycle.
Replace with fresh detergent.
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