Miele PG 8504 Operating Instructions Manual page 111

Problem
Stainless steel items are
showing signs of
corrosion.
Possible cause and remedy
The stainless steel is of insufficient quality for machine
reprocessing.
Only use stainless steel items made of high quality

stainless steel and follow the instructions of the
manufacturer regarding machine reprocessing.
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
demineralized water may be necessary.
Neutralization has not taken place during the program.
Dispense using the DOS 2 reservoir  in the door:
Refill the reservoir with neutralizing agent.
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Dispense via 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 wash load items.
Check the installation.

Discard any rusty items.
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Problem solving guide
111