9 Maintenance
9.1 Maintenance
During operation, the device works maintenance-free.
Depending on the assignment location, the following preventive maintenance tasks
may be required for the device at regular intervals:
Table 20: Maintenance schedule
Maintenance work Interval Implementation
Clean housing and front screen
Cleaning interval depends on ambi‐
ent conditions and climate
Specialist
Check screw connections and plug
connectors
Every 6 months Specialist
MAINTENANCE 9
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Subject to change without notice