Maintenance; Periodic Checks - Miele PG 8504 Operating Instructions Manual

Maintenance

92

Periodic checks

The machine should be serviced every 1000 hours of operation, or
at least once a year, by the Miele Customer Service Department or a
suitably qualified specialist.
This maintenance will cover the following:
- Electrical safety according to national regulations (VDE 0701/0702
in Germany)
- Door mechanism and door seal
- Any screw connections and connectors in the wash cabinet
- Water inlet and drainage
- Internal and external dispensing systems
- Spray arms
- Filter combination
- Sump including drain pump and non-return valve
- All mobile units, baskets, modules and inserts
The following operational tests will be carried out within the
framework of the maintenance:
- A programme will be run as a test run
- Thermo-electrical measurements will be taken
- Seals will be tested for water tightness
- All relevant measuring systems will be safety tested including error
message displays
- Safety features