Maintenance; Clean The Units; Clean Air Inlets; Check The Connectors And Grounding - Bosch Plena Voice Alarm System Installation And Operation Manual

92 en | Maintenance
9

Maintenance

The system requires minimum maintenance.
To keep the system in good condition, do the following:
–
–
–
WARNING!
Dangerous mains voltages are present inside the units. Disconnect the main power supply
before you do any maintenance.
9.1

Clean the units

Periodically you must clean all units with a damp, lint-free cloth.
9.2

Clean air inlets

The 19-inch units can collect dust as a result of the internal fans. Once a year you should use
a vacuum cleaner to clean the air inlets of all units in the 19-inch racks.
9.3

Check the connectors and grounding

Periodically check:
–
–
9922 141 1037x (V2.16) | V0.6 | 2011.09
Clean the units (section 9.1 )
Clean the air inlets (section 9.2 )
Check connectors and grounding (section 9.3 ).
All cable connections.
The ground (PE) connection of the system components.
Installation and Operation manual
Plena Voice Alarm System
Bosch Security Systems B.V.