Comelit MPTZ766A - Manual (Page 38)

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Appendix B — Troubleshooting
If problems occur, verify the installation of the camera with the instructions in this manual and
with other operating equipment. Isolate the problem to the specific piece of equipment in the
system and refer to the equipment manual for further information.
Problem Possible Solution
No video.
Verify that power is connected to all pieces of
equipment in the system.
Verify that the power switches are in the ON position.
Check the video connections.
Poor video quality.
Check that the BNC connectors are inserted properly.
Check the voltage level of the dome camera.
Cable for video is shielded.
Dome cameras lose their positions.
Reset the cameras using the Dome configuration
menus.
Check that the dome cameras are inserted properly in
the base.
Check the voltage level of the dome camera.
Camera number does not match the
multiplexer number. Check the camera ID and insert the BNC cable into
the proper input of the multiplexer.