Miele G 640 Operating Instructions Manual page 47

Problem
The dishes are not clean The dishes were not
Possible cause
loaded correctly. Dishes
were placed inside other
pieces, water could not
access all surfaces.
The outlet of the water
intake pipe for the middle
spray arm was covered.
An insufficient amount of
water flowed into the
middle spray arm.
The programme was not
powerful enough.
Not enough detergent
was dispensed.
Tall items are blocking
the path of the spray
arms.
The spray arm jets are
blocked.
The filter combination in
the base of the wash
cabinet is not clean or is
not correctly fitted.
This may cause the spray
arms jets to get blocked.
The drain pump or non-
return valve may be
blocked.
Too little water in the
wash cabinet.
Problem solving guide
Remedy
See notes in "Loading the
dishwasher".
Make sure that dishes
inserted in the rear
section of the upper
basket do not cover the
pipe outlet.
Select a more intensive
programme see
"Programme chart" at the
end of these operating
instructions.
Use more detergent, see
"Operating the
dishwasher".
Rearrange items so that
the spray arms can rotate
freely.
Clean the spray arm jets,
see "Cleaning and care".
Clean and/or replace the
filter combination
correctly.
Clean the spray arm jets,
see "Cleaning and care".
Clean the drain pump
and the non-return valve,
see section on this.
Check the water level
and if necessary increase
the water intake time, see
sections on these.
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