Events Of The Call Stations; Events Of The Network Controllers - Bosch Praesideo Service Manual

Praesideo| Service manual | Chapter
WLSBoard
Description:
Fault finding:
Back up power supply failure
Description:
Fault finding:
9.1.3

Events of the Call stations

The following events can only occur on call stations.
Audio Path Supervision
Description:
Fault finding:
Call station Extension
Description:
Extra information:
Fault finding
Power Backup Supply
Description:
Fault finding:
9.1.4

Events of the Network controllers

The following events can only occur on network controllers.
Flash Card Checksum
Description:
Fault finding:
Bosch Security Systems | 2004-28 | 3922 880 62312
Logs the absence of a WLS master board when it's configured to
be used.
Check the band cable connection of the WLS Master board.
Exchange the WLS Master boards of an amplifier that works correct.
Logs the failure of the backup power supply of a Power Amplifier
Measure with a voltage meter the at the back-up supply unit the
Voltage. It should be between 45V and 56V.
Voltage dips or peaks also create an error message.
Check the backup power connection by temporary using the 48V
connection of another unit. (Ok: than fault can be found in the
connection)
Check the Backup power fuse on top of the power supply unit inside
the Power Amplifier.
Check at the POF cables if there is light coming out. (Not OK; than
the power supply ,,,,,,,,,,,,
Logs the audio path fault on a call station
Open the unit and check the connections at the PCB.
Check the microphone.connection
Logs the mismatch of the number of configured and detected
extensions on a call station
Number of configured extensions
Number of detected extensions
Check the numbers of configured call station extensions in the
configuration file. These should be the same as connected in the
system.
Check if the addresses of the extensions are correct.
Logs the failure of the backup power supply of a unit
Check the backup power supply voltage; 18-56V
Voltage dips or peaks also create an error message.
Logs the error in the checksum of the flashcard
If there is no message file in the card, place a default message in it.
Remove via the file transfer application the messages (delete them if
en | 27