Bosch Series 4 Buku Petunjuk - Halaman 41

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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).

Discolouration of the

plastic parts inside the

appliance.

* depending on the features of your dishwasher

Reason

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 gentle wash 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"

Plastic parts inside the appliance

may become discoloured during

the service life of the dishwasher.

Fault, what to do? en

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 wash programme.

Select programme with higher washing

temperature.

Do not prerinse utensils. Remove only

large food remnants.

Increase sensitivity of the sensors.

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.

Discolouration is normal and will not

impair the function of the dishwasher.