Bosch SB Series Instruction Manual - Page 34

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Fault, what to do?

Fault

Coloured (blue, yellow,

brown), difficult to remove

to non-removable coatings

in the appliance or on

stainless steel utensils.

Coloured (yellow, orange,

brown), easily removable

deposits inside the

appliance (mainly in the

floor area)

Discolouration of the

plastic parts inside the

appliance.

Plastic parts discoloured.

Removable streaks on

glasses, glasses with

metallic appearance and

cutlery.

Cause

Film formation consisting of

ingredients from vegetables (e.g.

cabbage, celery, potatoes,

noodles, ...) or the tap water (e.g.

manganese).

Film formation caused by metallic

components on silver or

aluminium utensils.

Film formation consisting of

ingredients from food remnants

and substances from the tap

water (limescale), "soapy"

Plastic parts inside the appliance

may become discoloured during

the service life of the dishwasher.

Too low rinsing temperature.

Utensils precleaned too intensely;

sensors therefore decide on

weak programme sequence.

Stubborn soiling cannot be

completely removed.

Too much rinse aid.

No rinse aid added or setting too

low.

Detergent residue in the final

rinse programme section.

Detergent dispenser cover

blocked by utensils (cover does

not open fully).

Utensils precleaned too intensely;

sensors therefore decide on

weak programme sequence.

Stubborn soiling cannot be

completely removed.

Remedial action

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 (see chapter "Water

softening system/Special salt")

Discolouration is normal and will not impair

the function of the dishwasher.

Select programme with higher washing

temperature.

Do not prerinse utensils. Remove only large

food remnants.

Recommended programme Eco 50°

Set rinse aid amount to lower setting.

Add rinse aid and check dosage

(recommended setting 4–5).

Detergent dispenser cover must not be

obstructed by utensils.

Do not place utensils or fragrance dispenser

in the tablet collecting tray.

Do not prerinse utensils. Remove only large

food remnants.

Recommended programme Eco 50°