PLENA power amplifiers
Maintenance | en
19
Bosch Security Systems B.V.
Installation and operation manual
2018.11 | V1.2 | LBB193x/x0
9
Maintenance
The units require minimum maintenance, however to keep the units in good condition, the
following tasks should be carried out.
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Clean the units:
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Periodically clean the units with a damp, lint-free cloth.
–
Clean the air inlets:
–
The units can collect dust from the operation of the internal fans. The air inlets of the
units should therefore be cleaned on a yearly basis.
–
Periodically check unit connections and grounding:
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To ensure that all cable connections to the units are secure.
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The ground (Protective Earth) connection of the system components.
!
Warning!
Dangerous mains voltages are present inside the units. Disconnect the main power supply
before doing any maintenance tasks.
