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Frequently Asked Questions
77
Noises
Problem Possible cause and solution
There is a knocking
noise in the wash cabi‐
net.
A spray arm is hitting the dishware.
Int
errupt the program, and rearrange the items
which are obstructing the spray arm.
There is a rattling noise
in the wash cabinet.
Dishware is moving around in the wash cabinet.
Int
errupt the program and rearrange loose pieces.
A foreign object (e.g., a cherry pit) has become
lodged in the dr
ain pump.
Remove the for
eign object from the drain pump
(see "Maintenance - Cleaning the drain pump and
non-return valve").
There is a knocking
noi
se from the water
pipe
This may be caused by the installation or the diame‐
t
er of the water pipe.
This has no influence on dishwasher function. If in
doubt,
contact a suitably qualified plumber.