Gaggenau DF250 Notice D'utilisation page 42

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Troubleshooting
Fault
Tea or lipstick residue on the
dishes.
Colored (blue, yellow, brown),
difficult to remove to non-
removable coatings in the
appliance or on stainless steel
dishes.
Colored (yellow, orange, brown),
easily removable deposits inside
the appliance (mainly in the floor
area)
Discoloration of the plastic parts
inside the appliance.
Plastic parts discolored.
Removable streaks on glasses,
glasses with metallic appearance
and silverware.
Initial or existing, irreversible
clouding of glass.
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Cause
Too low rinsing temperature.
Too little or unsuitable detergent.
Dishes precleaned too intensely;
sensors therefore decide on weak
wash cycle 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 aluminum
silverware.
Film formation consisting of
ingredients from food soils and
substances from the tap water
(limescale), "soapy"
Plastic parts inside the appliance may
become discolored during the
service life of the dishwasher.
Too low rinsing temperature.
Dishes precleaned too intensely;
sensors therefore decide on weak
wash cycle sequence. Stubborn
soiling cannot be completely
removed.
Too much rinse aid.
No rinse aid added or setting too low. Add rinse aid and check dosage
Detergent residue in the final rinse
wash cycle section. Detergent
dispenser cover blocked by dishes
(cover does not open fully).
Dishes precleaned too intensely;
sensors therefore decide on weak
wash cycle sequence. Stubborn
soiling cannot be completely
removed.
Glasses not dishwasher-proof, only
suitable for dishwasher.
Remedial action
Select wash cycle with higher washing
temperature.
Use suitable detergent at correct dosage.
Do not prerinse dishes. Remove only large
food soils.
Increase sensitivity of the sensors.
Recommended wash cycle "Regular"
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.
Discoloration is normal and will not impair
the function of the dishwasher.
Select wash cycle with higher washing
temperature.
Do not prerinse dishes. Remove only large
food soils.
Increase sensitivity of the sensors.
Recommended wash cycle "Regular"
Set rinse aid amount to lower setting.
(recommended setting 4–5).
Detergent dispenser cover must not be
obstructed by dishes.
Do not place dishes or fragrance dispenser
in the detergent tab tray.
Do not prerinse dishes. Remove only large
food soils.
Increase sensitivity of the sensors.
Recommended wash cycle "Regular"
Use dishwasher-proof glasses.
Avoid long steam phase (standing time after
wash cycle ends).
Use wash cycle at lower temperature.
Set water softening system according to the
water hardness (if required one setting
lower).
Use detergent with glass protection
component.