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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 10 | Events en | 426
Event message:
Line input failure
Originator:
Audio input that did not receive the pilot tone.
Extra information:
This fault can only occur on a network controller, audio
expander or power amplifier.
Description:
Logs the failure of a connection or cable to a
supervised audio line input on a unit.
Resolve:
When the error is no longer present or when the unit
disconnects.
Recommended action:
Check the audio connection to the line input that has
reported the fault. Check the source of the audio
signal and the level of the pilot tone.
Event message:
Line supervision master mismatch
Originator:
Amplifier channel in which the fault occurred.
Extra information:
----
Description:
Logs the mismatch between the installed line
supervision devices and the configured line
supervision devices. This fault event can only occur
when the amplifier channel is enabled with the
configuration software.
Resolve:
When the installed and configured line supervision
devices match.
Recommended action:
Disable wireless line supervision for the specified
amplifier channel with the web interface or install
supervision-masters for all channels that use wireless
line supervision.
Event message:
Loudspeaker failure
Originator:
Amplifier channel in which the fault occurred.
Extra information:
Address(es) and name(s) of loudspeaker supervision
board(s).
The system cannot attach the Resolved status to this
event immediately after the fault has been resolved,
because the system first must establish a
communication link with the supervision board. This
can take up to 300 s.
When this fault event is reset before the system has
attached the Resolved status to it, the status of the
fault event becomes Reset. Then, the same fault event
is raised again with status New.
Description:
Logs the supervision failure of one or more
LBB4441/00 Loudspeaker Supervision Boards. This
fault can only occur when the amplifier channel and
supervision boards are enabled with the configuration
software.
Resolve:
When the power amplifier disconnects or when the
fault is resolved manually.
Recommended action:
Check the loudspeaker connected to the loudspeaker
supervision board that has reported the fault. Also
check the loudspeaker line and the loudspeaker
supervision board itself.