Bosch 300 Series User Manual page 42

en-us Troubleshooting
Issue
Plastic parts inside
the appliance are
discolored.
Plastic parts are dis-
colored.
There are remov-
able streaks on
glasses, glassware
with a metallic ap-
pearance and silver-
ware.
Irreversible clouding
of glassware.
42
Cause and troubleshooting
Plastic parts inside the appliance may become
discolored over the life of the dishwasher.
Discoloration may come about and will not im-
▶
pair functioning of the appliance.
Dishwashing temperature is too low.
Select a program with a higher dishwashing
▶
temperature.
Dishware has been precleaned too intensively.
The sensors then choose a weaker program.
Stubborn soiling cannot be entirely removed.
Only remove large remnants of food and do not
▶
prerinse dishware.
Amount of rinse aid to be dispensed is set too
high.
Set the rinse aid system to a lower setting.
▶
No rinse aid has been added.
→ "Adding rinse aid", Page 19
▶
There is detergent residue in the final rinse. Lid of
detergent dispenser is blocked by dishware and
will not open fully.
Arrange dishware in the upper rack so the tab
1.
collecting tray is not obstructed by dishware.
→ "Loading dishware", Page 23
Items of dishware are blocking the dispenser
lid.
Do not place dishware or fragrance dispensers
2.
in the tab collecting tray.
Dishware has been precleaned too intensively.
The sensors then choose a weaker program.
Stubborn soiling cannot be entirely removed.
Only remove large remnants of food and do not
▶
prerinse dishware.
Glasses are not dishwasher-proof, only suitable
for dishwashers.
Use dishwasher-proof glasses.
▶
Glasses are usually only suitable for cleaning
in a dishwasher, i.e. long-term wear or long-
term changes must be expected.
Avoid a lengthy steam phase (standing time af-
▶
ter wash cycle ends).
Use a program with a lower temperature.
▶
Use detergent with a glass protection compo-
▶
nent.