Maintenance; Clean The Units; Clean Air Vents; Check The Connectors And Grounding - Bosch PLM-8CS User Manual

44 en | Maintenance
10

Maintenance

The PLENA matrix system has been designed to operate without problems for a long period of
time, with a minimum of maintenance.
In order to guarantee trouble-free operation:
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Warning!
Dangerous mains voltages are present inside the 19" units. Disconnect the mains power
!
supply before you do any maintenance.
10.1

Clean the units

Periodically clean all units with a damp, lint-free cloth; never use water or chemicals.
10.2

Clean air vents

The multi channel DSP amplifier can collect dust as a result of the internal fan.
Base the interval on the actual situation and dust build‑up. Start with an interval of at least
once a year. Use a vacuum cleaner to clean the air vents of all units.
10.3

Check the connectors and grounding

Periodically check:
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2020-12 | V1.1 |
Clean the units, page 44
Clean air vents, page 44
Check the connectors and grounding, page 44
All cable connections for corrosion and the screw terminals to make sure that they have
not become loosened.
The ground (PE) connection of the system components.
User manual
PLENA matrix
Bosch Security Systems B.V.