Bosch NBC-455 Installation And Operation Manual page 114

114 en | Troubleshooting
Malfunction
No audio
transmission to
remote station.
The unit does not
report an alarm.
Control of cameras
or other units is not
possible.
AR18-10-B006 | v1.1 | 2010.06
Possible causes
Hardware fault.
Faulty cable connections. Check all cables, plugs,
Incorrect configuration.
The audio voice
connection is already in
use by another receiver.
Alarm source is not
selected.
No alarm response
specified.
The cable connection
between the serial
interface and the
connected unit is not
correct.
The interface parameters
do not match those of the
other unit connected.
Installation and Operation Manual
Dinion IP Camera
Solution
Check that all connected
audio units are operating
correctly.
contacts and
connections.
Check audio parameters
on the Audio
configuration and
LIVEPAGE Functions
pages.
Wait until the connection
is free and then call the
sender again.
Select possible alarm
sources on the Alarm
sources configuration
page.
Specify the desired alarm
response on the Alarm
connections
configuration page; if
necessary change the IP
address.
Check all cable
connections and ensure
all plugs are properly
fitted.
Make sure that the
settings of all units
involved are compatible.
Bosch Security Systems