Bosch SB Series Instruction Manual - Page 31

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Fault

White, stubborn coatings;

limescale on the utensils,

container or door.

Tea or lipstick residue on

the utensils.

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)

Plastic parts discoloured.

Cause

Detergent substances are

deposited. These coatings cannot

usually be removed with

chemicals (appliance cleaner, ...).

Hardness range incorrectly set or

water hardness greater than 8.9

mmol/l.

3 in 1 detergent or bio/eco

detergent not effective enough.

Underdosing of detergent.

Too weak rinse programme

selected.

Too low rinsing temperature.

Too little or unsuitable detergent. Use suitable detergent at correct dosage.

Utensils precleaned too intensely;

sensors therefore decide on

weak programme sequence.

Stubborn soiling cannot be

completely removed.

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"

Too low rinsing temperature.

Utensils precleaned too intensely;

sensors therefore decide on

weak programme sequence.

Stubborn soiling cannot be

completely removed.

Fault, what to do?

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 programme.

Select programme with higher washing

temperature.

Do not prerinse utensils. Remove only large

food remnants.

Recommended programme Eco 50°

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")

Select programme with higher washing

temperature.

Do not prerinse utensils. Remove only large

food remnants.

Recommended programme Eco 50°