Blomberg DW 34100 NBL00 User And Care Manual page 27

Possible causes
Dish items/parts made from aluminium.
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The lid of the salt container is not closed
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securely. Salt loss. (models with salt container)
The hardness is not selected properly; too
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little salt is being used.
Detergents are being stored under
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unfavourable conditions.
Overloaded racks.
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Possible causes
The dishes are pre-washed by hand with a
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large amount of dish detergent.
Rinse aid has accidentally leaked into the
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machine.
The cover of the rinse aid dispenser is not
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closed securely.
Scratched dishes
How to fix these problems
Dishes and cutlery of this type are not suited
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for the dishwasher.
Check whether the lid of the salt container is
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firmly closed. Use the funnel to pour in special
salt. Begin the Rinse and Hold program right
after filling in salt. After the program is
complete, check whether the lid may have
loosened.
Call water supplier and ask for local hardness
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in grains per gallon or ppm. Adjust the water
hardness level setting accordingly.
Detergents should not be stored longer than
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2 months in open packages. Store detergents
in a dry location. Close the lid of the container
carefully.
Take care to ensure that individual glasses
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and dishes do not touch. They may hit against
each other during the washing process,
causing scratches.
Foam
How to fix these problems
Dishes do not need to be pre-washed. Coarse
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dirt may be removed with a dishcloth, or you
may hold the dishes under running water.
If rinse aid has been spilled during refilling,
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remove the aid using a paper cloth or sponge.
Always take care to ensure that the lid is
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closed after refilling the rinse aid dispenser.
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