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Maintenance - Bosch Plena LBB1930/20 Installation And Operation Manual

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Plena Power Amplifiers


The units require minimum maintenance, however to keep the units in good condition, the
following tasks should be carried out.
Dangerous mains voltages are present inside the units. Disconnect the main power supply
before doing any maintenance tasks.
Bosch Security Systems B.V.
Clean the units:
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:
To ensure that all cable connections to the units are secure.
The ground (Protective Earth) connection of the system components.
Installation and Operation manual
Maintenance | en
2014.01 | V1.1 | LBB193x/x0

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