Miele 09 645 470 manual Noises, Problem solving guide, Cause and remedy, Knocking noise in the

	Problem solving guide
Noises
Problem	Cause and remedy
Knocking noise in the	A spray arm is knocking against an item in a basket.
wash cabinet.	 Interrupt the programme, and rearrange the items
	which are obstructing the spray arm.
Rattling noise in the	Items of crockery are insecure in the wash cabinet.
wash cabinet.	 Interrupt the programme, and rearrange the items
	of crockery.
	A foreign object (e.g. a cherry stone) has become
	lodged in the drain pump.
	 Remove the foreign object from the drain pump
	(see "Maintenance, Cleaning the drain pump and
	non-return valve").
Knocking noise in the	This may be caused by the on-site installation or the
water pipes.	cross-section of the piping.
	 This has no influence on dishwasher function. If in
	doubt, contact a suitably qualified plumber.

69