Fault
Possible cause
Remedy
Cleaning agent residue
is left in the dispenser
at the end of a
programme.
– Remove the cleaning
agent residue.
– Reprocess the items.
The dispenser was still
damp when detergent was
added.
Make sure the dispenser is
dry before adding cleaning
agent.
An item was blocking the
lid of the powder cleaning
agent dispenser.
Arrange the items so that
the lid can open.
The detergent dispenser
lid cannot be closed
properly.
Clogged detergent residue
is blocking the catch.
Remove the residue.
Knocking noise in the
wash cabinet.
A spray arm is knocking
against an item.
Cancel the programme
and rearrange the load;
see
Cancelling a
programme
.
Rattling noise in the
wash cabinet.
Items are insecure in the
wash cabinet.
Cancel the programme
and rearrange the load;
see
Cancelling a
programme
.
Knocking noise in the
water pipes.
This may be caused by the
on-site installation or the
cross-section of the piping.
This has no influence on
the functioning of the
washer-disinfector. If in
doubt, contact a suitably
qualified plumber.
There is corrosion on
instruments.
The instruments are not
suitable for machine
processing.
Only clean surgical steel
instruments in this
machine.
Neutralisation has not
been carried out during
the programme cycle.
– Fill the neutralising
agent container.
– Programme a
neutralisation step into
programmes A and
E
(this must be done by a
Miele approved service
technician).
Problem solving guide
57