Miele PG 8504 Operating Instructions Manual page 106

Problem solving guide
Problem
Items made of glass are
showing signs of corro-
sion.
Stainless steel items are
showing signs of corro-
sion.
106
Cause and remedy
The items are not suitable for machine processing.
Only use items which are declared by their manufacturer

as suitable for machine reprocessing.
Neutralisation has not taken place during the programme.
- Dispensing using the reservoir in the door  (DOS 2):
Refill the reservoir with neutralising agent.

- Dispensing from an external container:
Check the level in the supply container and vent the

dispensing system if necessary.
The wash temperature was too high.
Select a different programme.

or
Reduce the wash temperature.

Cleaning agents used were too alkaline.
Use a milder cleaning agent.

or
Reduce the concentration of the cleaning agent.

The stainless steel is of insufficient quality for machine
processing.
Only use stainless steel items made of high-quality

stainless steel and follow the instructions of the
manufacturer regarding machine processing.
The chloride content in the water is too high.
Have a water analysis check carried out. Connection to

an external water processing unit and the use of
demineralised water may be necessary.
Neutralisation has not taken place during the programme.
- Dispensing using the reservoir in the door  (DOS 2):
Refill the reservoir with neutralising agent.

- Dispensing from an external container:
Check the level in the supply container and vent the

dispensing system if necessary.
Rust or superficial rust has built up in the wash cabinet,
e.g. due to an excessively high iron content in the water or
rust on other load items.
Check the installation.

Discard any rusty items.
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