Miele G 7100C Operating Instructions Manual page 80

Problem solving guide
Problem
There are rust stains on
cutlery.
80
Cause and remedy
The affected items are not corrosion-resistant.
 No remedy.
Purchase cutlery that is dishwasher-safe.
A programme was not run after dishwasher salt was
added. Traces of salt have got into the normal wash
cycle.
 Always run the  65 °C QuickPowerWash
programme with the  Express option selected
and without any load items in the dishwasher
immediately after adding dishwasher salt.
The salt reservoir cap has not been screwed on
correctly.
 Replace the cap, making sure that it screws back
on correctly.