Maintenance
133
Cleaning the drain pump and non-return valve
If water has not pumped away at the end of a program there may be
a foreign object in the drain pump or blocking the non-return valve.
Take the filter combination out of the wash chamber (see
Maintenance/Cleaning the filters in the wash chamber").
Open the locking clamp.
Lift out the non-return valve and rinse well under running water.
Make sure that the vent on the outside of the non-return valve is not
blocked (this vent is only visible after the non-return valve has been
taken out). If it is blocked, use a pointed object to release the
blockage.
The drain pump impeller is situated under the non-return valve (see
arrow).
Check the impeller for blockages and remove them if necessary
before refitting the non-return valve.
Carefully replace the non-return valve and secure it with the clamp.
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