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58 en | Troubleshooting VEZ-400 Mini PTZ Dome
F.01U.252.635 | 2.0 | 2011.09 User Manual Bosch Security Systems, Inc.
8 Troubleshooting
If problems occur, check the installation of the camera with the
instructions in this manual. Refer to this guide for further
information.
Problem Solution
No video on screen. - Verify that the power is connected
to all components in the system.
- Verify that the power switch is ON.
- Verify the status of cables or the
connection of cables.
Poor video quality. - Check the power supply voltage
(normal 24 VAC) directly at the
camera.
- Check the camera settings.
- Check the video quality directly at
the camera with a service monitor.
- Check the quality and length of
video cables, and possible EMC
interference.
- Check the quality of connectors
and potential moisture/corrosion.
- If the lens or the dome window is
dirty, clean it with a clean cloth.