Miele G 7881 Operating Instructions Manual page 55

Fault
There is corrosion on
instruments.
White residue is visible
on items.
Possible cause
The chloride content of the
water is too high.
Rust has entered the wash
cabinet due to:
– the iron content of the
water being too high,
– rusty instruments being
cleaned in the machine.
The water softener is
programmed to a setting
which is too low.
The salt reservoir is empty. Fill carefully with salt.
The salt reservoir cap has
not been screwed on
correctly.
The rinsing agent dosage
has been set too low,
causing water marks.
Dental cement or amalgam
remains have been left on
instruments.
Problem solving guide
Remedy
Have the water analysed. If
necessary, connect the
machine to an external
water softener unit and use
deionised water.
– Check the water supply.
– Dispose of any rusty
instruments.
Check the water hardness
level of the water supply
and programme the water
softener correctly.
Replace it making sure it
screws back on correctly.
Increase the rinsing agent
dosage setting.
Remove dental cement or
almagam from instruments
before it hardens.
55