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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 10 | Events en | 421
Event message:
Amplifier overload
Originator:
Amplifier channel in which the fault occurred.
Extra information:
This fault event cannot be generated by LBB4428/xx
Power Amplifiers.
Description:
Logs the overload of an amplifier channel. This fault
event can only occur when the power amplifier is
enabled with the configuration software.
Resolve:
When the power amplifier disconnects or when the
fault is resolved manually.
Recommended action:
• Decrease the number of loudspeakers connected
to the amplifier channel OR
• Decrease the loudspeaker line voltage. (This
influences the maximum volume of the
loudspeakers connected to the line).
Event message:
Amplifier short circuit
Originator:
Amplifier channel in which the fault occurred.
Extra information:
This fault event cannot be generated by LBB4428/xx
Power Amplifiers.
Description:
Logs a short-circuit of an amplifier channel. This fault
event can only occur when the power amplifier is
enabled with the configuration software.
Resolve:
When the fault disappears or when the unit
disconnects.
Recommended action:
Check the cabling of the loudspeaker line. If
necessary, repair the short circuit.
Event message:
Back-up power supply failure
Originator:
Unit in which the fault occurred.
Extra information:
----
Description:
Logs the failure of the back-up power supply of a unit.
This fault can only occur when the back-up supply of
the unit is enabled with the configuration software.
Resolve:
When the back-up power supply returns or when the
unit disconnects.
Recommended action:
Check the back-up power supply and its connections
to the unit that generated the event. If necessary,
repair them.
Event message:
Backup power supply failure remote call station
Originator:
Remote call station that detects the backup power
supply failure.
Extra information:
----
Description:
Logs a failure of the backup power supply of a remote
call station.
Resolve:
When the call station interface disconnects or when
the fault is no longer present.
Recommended action:
Connect the backup power supply or disable the
backup power supervision in the configuration.