Miele G7966SCVI Operating Instructions Manual page 112

Frequently asked questions
Problem
There are rust stains on
the utensils.
112
Possible cause and solution
The affected items are not corrosion resistant.
 No remedy.
Purchase utensils which are dishwasher-safe.
A program was not run after reactivation salt was
added. Traces of salt have got into the normal wash
cycle.
 Always run the  QuickIntenseWash 65°C pro-
gram with the Express program option selected
and without any wash items after adding reactiva-
tion salt.
The salt-reservoir cap has not been screwed on cor-
rectly.
 Replace it, making sure that it screws back on cor-
rectly.