Fault Finding; General Fault Solving Information; Strange System Behavior; General Faults - Bosch Praesideo Service Manual

Praesideo| Service manual | Chapter

8 Fault finding

8.1

General fault solving information

Always check the "Instructions for Use" first for correct operating of the unit, as many faults are
software setting related or incorrect execution of the application.
This manual can be found on the CD-ROM delivered with the Network Controller.
If a fault occurs on the Praesideo system the yellow LED starts blinking on the call station. The event of the
fault will be reported in the diagnose page.
The yellow blinking LED can be stopped by solving the mentioned fault in the diagnose page and making an
"acknowledgement" and "reset". You can also program these functions on the call station extension or input
contact. From Software 2.1 it's possible to program that the blinking will stop after an Acknowledgement of
the fault.
From SW version x are faults events shown also shown in the display.
The following fault events need an acknowledge and reset to be removed from display;
Other fault events dissolve from the NCO's display when they are solved and the NCO is reseted or when the
fault is manually ack and reseted
8.2

Strange System behavior

When the Praesideo system behaves in an unexpected way and you have solved all fault events in the
diagnostic page, the following steps can be checked;
•
Configuration file for correct configuration;
Correct serial numbers
o
Enabling of the used units
o
Correctness of the message names
o
•
If every unit contains the same software version. (Software version of each unit connected to the NCO
is mentioned from version 2.1 in upgrade unit software in the configuration program)
If this didn't help, be sure the system has the latest Software version.
A final solution could be deleting the configuration file, connect and program a part of the system and expand
it until you experience the same strange behavior. At that moment you know which units could cause the
problem. (See chapter 10)
8.3

General Faults

8.3.1

2 messages can be played instead of 4

•
Check in the configuration if 2 messages with the same priority are going to the same zone.
•
Make sure the used software is 1.1 or higher and the Network controller's hardware is 15.00 or
higher. (WK0321)
8.3.2

BGM can't be heard after upgrading the software to 2.1

•
Make sure the BGM source is set to "toggle" (In previous software versions "momentary was
used)
•
Select first the Source than the zones (In previous versions you first selected the zones than the
source)
1. Spikes audiable when a fiber interface is used.
•
Make sure the glass fiber pins are connected far enough inside the connector.
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