Technical data
Maintenance and Troubleshooting
No User-serviceable Parts
The device contains no user-serviceable parts. Maintenance and repair of this device shall only
be carried out by a Bosch service center. In the event of failure, the device should be removed
from site for repair.
On-Site Inspection
It is recommended that the device be inspected on-site every six months to check mounting
bolts for tightness, security, and any signs of physical damage. Inspection of this device shall
only be carried out by suitably-trained personnel in accordance with the applicable code of
practice (for example, EN 60097-17).
Table of Troubleshooting Issues
The table below identifies issues that could occur with the camera, and how to resolve them.
Problem
Questions to Ask/Actions to Resolve the Problem
No camera control. - Check the integrity of all RS-485 connections;
ensure that they are secure.
- Confirm that the address on the camera has been
set to match the address of the head-end control
system.
- Confirm that the baud rates are correct.
– Cycle the camera's power off and on.
Video is rolling, noisy, or distorted. – Check the integrity of all connectors and splices of
the composite cable.
If O.K., then:
– Contact Bosch Technical Support.
Nothing appears on the screen. Are the power cord and line connection between the
camera and monitor made properly?
The image on the screen is dim. Is the lens dirty? If so, clean the lens with a soft,
clean cloth.
The contrast on the screen is too
weak.
Adjust the contrast feature of the monitor. Is the
camera exposed to strong light? If so, change the
camera position.
The image on the screen flickers. Does the camera face directly into the sun or
fluorescent lighting? If so, reposition camera.
The image on the screen is distorted. Is the power frequency set properly in sync? If the
power frequency is not set correctly, the line lock
synchronization mode cannot be used. Set the
synchronization mode to INT. (NTSC Model power
frequency in LL mode: 60 Hz.)
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Bosch Security Systems, Inc. Operation Manual 2013.11 | 8.1 |