User Manual

135
6 Troubleshooting
Issue Possible Causes
NVR does not boot up
properly
 Input power is not correct. Check the power supply.
 Firmware upgrade did not finish properly. Contact technical
support.
 Main board is damaged. Check to see if front panel indicators are
lit.
NVR automatically shuts
down or stops running
 Input voltage is not stable or it is too low. Check the power supply
to see if it’s providing steady power.
 HDD malfunction. Listen to check if the HDD is spinning.
 Working environment may be too harsh or has too much dust.
 Hardware malfunction. Contact technical support.
System can not detect
HDD
 HDD malfunction. Contact technical support.
 Check if the HDD ribbon cable is damaged or loose.
 Main board SATA port is broken. Contact technical support.
No Video Output
 Check the HDMI/VGA connection to the monitor and make sure
that the input on the monitor is set correctly.
 Low brightness.
 NVR hardware has malfunctioned. Check to see if front panel
indicators are lit.
No results when
searching recordings
 HDD malfunction. Check HDD status in settings.
 The recorded file has been overwritten.
 Record function has been disabled.
Incorrect time display
 Time is not set up correctly in settings. Go to Setup to set the
correct time.
Unable to log in remotely
 ActiveX control has been disabled. Enable ActiveX control in
Internet Explorer
 Network connection/setup error. Check network settings.
 Password or user name is invalid. Check the credentials locally on
the unit and make sure the credentials are correct.
No video when connected
remotely
 Poor network bandwidth. Check network settings.
 Remote bandwidth has reached the maximum. Check for all users
who are connected.
 Remote user has no viewing authorization. Administrator must
provide this authority to the user. Go to Setup.