Miele PG 8504 Operating Instructions Manual page 107

Problem
Fault 492, 504
Fault 550
Fault 578
Possible cause and remedy
A programme has been cancelled because there is not
enough water pressure. The filters in the wash chamber
may be blocked.
 Danger of injury from glass shards, needles etc.
which are retained in the filters.
Check and clean the filters in the wash chamber (see

"Maintenance/Cleaning the filters in the wash chamber").
The waterproof system has been activated. There might be
a leak in one of the water inlet hoses.
Close the water taps.

Contact Miele Professional Service.

The peak-load cut-out has lasted longer than 3 hours.
Have your electrical system and your energy

management system tested by a suitably qualified
person.
Problem solving guide
107