Bosch SGX78B55UC User Manual page 51

Issue
Filling valves mak-
ing knocking noises.
Knocking or rattling
noise.
17.1 Clean wastewater pump
Large food remnants or foreign
objects can block the wastewater
pump. As soon as the dishwash-
ing water no longer drains prop-
erly, the wastewater pump must
be cleaned.
CAUTION
There may be some sharp debris,
such as glass fragments, blocking
the wastewater pump.
Use caution when removing
▶
parts for cleaning.
Disconnect the appliance from
1.
the power supply.
Remove the upper and lower
2.
rack.
Remove the filter system.
3.
Scoop out any water.
4.
Use a sponge if necessary.
Cause and troubleshooting
Caused by the domestic installation. No fault
present in the appliance. Does not affect function-
ing of the appliance.
Can only be remedied in the home installation.
▶
Spray arm is striking dishes.
Arrange dishware so the spray arms do not
▶
strike dishware.
With a small load the water jets directly strike
against the tub.
Distribute the dishware evenly.
▶
Load the appliance with more dishware.
▶
Light items of dishware move about during the
wash cycle.
Position light items of dishware securely.
▶
5.
6.
7.
Troubleshooting en-us
Prise off the pump cover using
a spoon and grip it by the
crosspiece.
Lift the pump cover inwards at
an angle and remove.
Remove any food remnants or
foreign objects in the area of
the impeller.
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