Bosch SGX78B55UC User Manual page 47

Issue
There are colored
coatings (blue, yel-
low, brown) inside
the appliance or on
stainless steel dish-
ware that are diffi-
cult or impossible to
remove.
There are colored
deposits (yellow, or-
ange, brown) that
are ey to remove in-
side the appliance
(mainly at the bot-
tom).
Plastic parts inside
the appliance are
discolored.
Plastic parts are dis-
colored.
There are remov-
able streaks on
glasses, glassware
with a metallic ap-
pearance and silver-
ware.
Cause and troubleshooting
The formation of films is due to substances con-
tained in vegetables (cabbage, celery, potatoes,
noodles, etc.) or tap water (manganese).
Clean the appliance.
▶
You can remove coatings with Mechanical
cleaning → Page 37 or a machine cleaning
product. It may not always be possible to com-
pletely remove coatings but they are harmless
to health.
The formation of films is due to metal components
on silver or aluminum dishware.
Clean the appliance.
▶
You can remove coatings with Mechanical
cleaning → Page 37 or a machine cleaning
product. It may not always be possible to com-
pletely remove coatings but they are harmless
to health.
The formation of films is due to ingredients of
food remnants and tap water (limescale), "soap-
like".
Check the setting of the water softening sys-
1.
tem.
Add special salt.
2.
If you are using combined detergents (tabs),
3.
activate the water softening system.
Follow the information on detergents.
Plastic parts inside the appliance may become
discolored over the life of the dishwasher.
Discoloration may come about and will not im-
▶
pair functioning of the appliance.
Dishwashing temperature is too low.
Select a program with a higher dishwashing
▶
temperature.
Dishware has been precleaned too intensively.
The sensors then choose a weaker program.
Stubborn soiling cannot be entirely removed.
Only remove large remnants of food and do not
▶
prerinse dishware.
Amount of rinse aid to be dispensed is set too
high.
Set the rinse aid system to a lower setting.
▶
No rinse aid has been added.
→ "Adding rinse aid", Page 24
▶
Troubleshooting en-us
47