Bosch SHEM78WH5N Operating Instructions Manual page 51

Fault Cause
White, Detergent substances are
stubborn deposited. These coatings cannot
coatings; usually be removed with chemicals
limescale on (appliance cleaner, ...).
the dishes,
Hardness range incorrectly set or
container or
water hardness greater than
door.
8.9 mmol/l.
3 in 1 detergent or bio/eco
detergent not effective enough.
Underdosing of detergent.
Too weak rinse cycle selected.
Too low rinsing temperature.
Tea or lipstick
residue on the
dishes.
Too little or unsuitable detergent.
Dishes precleaned too intensely;
sensors therefore decide on weak
wash cycle sequence. Stubborn
soiling cannot be completely
removed.
Colored (blue, Film formation consisting of
yellow, brown), ingredients from vegetables (e.g.
difficult to cabbage, celery, potatoes, noodles,
remove to ...) or the tap water (e.g.
non-removable manganese).
coatings in the
Film formation caused by metallic
appliance or on
components on silver or aluminum
stainless steel
silverware.
dishes.
Colored
Film formation consisting of
ingredients from food soils and
(yellow, orange,
brown), easily substances from the tap water
(limescale), "soapy"
removable
deposits inside
the appliance
(mainly in the
floor area)
Discoloration of Plastic parts inside the appliance
the plastic may become discolored during the
parts inside the service life of the dishwasher.
appliance.
Troubleshooting en-us
Remedial action
Change detergent brand.
Clean appliance mechanically.
Set water softening system according to
instructions for use or top up salt.
Set water softening system according to
instructions for use or use separate
detergents (proprietary detergent, salt, rinse
aid).
Increase detergent dosage or change
detergent.
Select a more intensive rinse cycle.
Select wash cycle with higher washing
temperature.
Use suitable detergent at correct dosage.
Do not prerinse dishes. Remove only large
food soils.
Increase sensitivity of the sensors.
Recommended wash cycle "Regular"
Can be partly removed with machine
cleaner or by mechanical cleaning. Coatings
are harmless.
Can be partly removed with machine
cleaner or by mechanical cleaning.
Check function of the water softening
system (refill with salt) or, if using combined
detergents (tablets), activate water
softening system.
Discoloration is normal and will not impair
the function of the dishwasher.
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