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Maintenance
104
Periodic checks
Periodic checks must be carried out by the W&H Customer Service
Department after 1000 operating hours or every 24 months at the
latest.
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
– Steam condenser
– Wash pressure sensor
– Drying unit
If there is a communication module:
– Any printer connected to the machine
– Network connection
External documentation software and the computer network will
not be tested by the W&H Customer Service Department.
The following operational tests will be carried out within the frame-
work 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
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