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Cleaning the drain pump and
non-return valve
If there is water in the wash cabinet at
the end of a program, the water was not
pumped out properly. The drain pump
or the non-return valve might be
clogged. However, they are easy to
clean.
^
Disconnect the commercial
dishwasher from the electric power
supply. Always switch the appliance
off before unplugging it.
^
Remove the filter combination from
the wash cabinet (see Cleaning and
care - Cleaning the filters).
^ Scoop the water out of the cabinet
using a small container.
^
Press the catch for the non-return
valve inwards a.
^
Pull the non-return valve out b and
rinse it thoroughly under running
water.
^
Remove all foreign objects from the
non-return valve.
The drain pump is located beneath the
non-return valve (arrow).
^ Remove all foreign objects from the
drain pump (glass splinters are
particularly difficult to see). Turn the
drain pump impeller by hand to
check for objects. It is normal that the
rotation of the impeller feels jerky.
^ Carefully replace the non-return
valve.
,
Make sure the catch engages
correctly!
Be careful not to damage any
components when cleaning the
drain pump and the non-return
valve.
Maintenance
62