Noises
Problem
Knocking noise in the
wash cabinet.
Rattling noise in the
wash cabinet.
Knocking noise from
the water pipe
Possible cause and remedy
A spray arm is hitting the dishware.
Interrupt the program, and rearrange the items
which are obstructing the spray arm.
Dishware is moving around in the wash cabinet.
Interrupt the program and rearrange loose pieces.
A foreign object (e.g. cherry pit) has become lodged
in the drain pump.
Remove the foreign object from the drain pump
(see: "Cleaning the drain pump and non-return
valve")
This may be caused by the installation or the diameter
of the water pipe.
This has no effect on the functioning of the
commercial dishwasher.
If in doubt, contact a plumber.
Problem solving guide
53