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Cisco Video Surveillance IP PTZ Dome Camera User Guide, Cisco 2900 Series IP Dome
OL-24281-01
APPENDIX
A
Troubleshooting
Table A-1 provides information that may help you if you need to troubleshoot a Cisco 2900 Series IP
Dome. Do not try to repair a unit yourself. Leave maintenance and repairs to qualified technical
personnel only.
Ta ble A-1 Troubleshooting the Cisco 2900 IP Dome
Issue Possible Cause Suggested Resolution
Dome does not start properly
after installation.
The circuit board fuse may need
to be replaced.
Check the fuse on the circuit
board inside the back box for
continuity. Replace the fuse if
needed.
The back box may not be
receiving proper voltage.
Check the wiring with a volt
meter to ensure that the back box
is receiving proper voltage.
Dome starts correctly, but you do
not have accurate control.
Switch settings on the dome
drive are set incorrectly.
Check the signal with a volt
meter or an oscilloscope. (This
step does not apply if you are
using Coaxitron control.)
Ensure that the switch settings
on the dome drive are set
correctly (see the
“Switch
Settings” procedure on
page 1-11).
No video is displayed. Power is not connected. Check the power connector.
Video cable is not connected. Check the video connector.
TXB-N module is not inserted
properly.
Reinstall the TXB-N module.
Make sure the pins on the
module are inserted correctly.