Troubleshooting guide
Table Of Contents
- Maintenance Overview
- DVR Status Check and Camera Alignment – 5 Minute Test
 - Adjusting the Date and Time
 - Setting the Time and Date Manually
 - Setting the Time and Date using GPS
 - Changing Fan Filters
 - Checking the DVR condition & mounting
 - Connecting a Laptop to DVR via Ethernet Cable
 - Connecting the DVR to the Computer
 - Updating the DVR Firmware
 - Reformatting Hard Drives
 - Removing the Hard Drive
 - Replacing the Hard Drive
 - Cleaning the Dome or Wedge Camera Window
 - Cleaning the DVR front cover and cable cover
 
 - Troubleshooting Overview
 

Seon Maintenance and Troubleshooting Guide R004   39 
Cables 
No Video 
  Check the cable to the camera 
  Check the connections in the camera body 
  Check that the connector to the DVR is properly inserted 
  Verify that there are no abrasions on the cables or cuts that may 
have shorted the signal 
No Sound on playback 
  Check the cable to the camera 
  Check the connections in the camera body 
  Check that the connector to the DVR is properly inserted 
  Verify that there are no abrasions on the cables or cuts that may 
have shorted the signal 
  Check microphone sensitivity in camera, and adjust as necessary 
No Power Light on The DVR 
  Check that the yellow wire is receiving power when the ignition is 
turned on. 
  Check that the connection to the HOT source has not become 
dislodged (red wire). 
General Harness inspection 
  Look closely at the connectors at each end of the wiring harnesses to 
assure no wires have pulled out of their sockets. It is important that 
connectors are not under heavy strain when connected in the 
system. 
  Watch for any pinches in cables. 
Camera harness 
The camera harness should not have any kinks or abrupt bends. 
Ethernet cables 
Check Ethernet cables to assure the bends in the cable are no smaller 
than the diameter of a soda can, sharp bends may affect the cable 
operation. 
Control cables 
The control cable will provide voltage when the DVR is powered up. This 
is used to turn on and off the wireless bridge or other peripheral device. 
If this cable is compromised, it may prevent the equipment from 
powering up. Check cabling for integrity 










