User guide

75
appendix
problem solving [FAQ]
problem & symptom
solution
If system power isn’t on, LED on the
system front won’t operate
 Check the power of system
 Check power voltage in out
 Check or replace power supply if power doesn’t turn on after
above procedure
No video on some channels with black
screen
 Check the camera connected with relevant channel.
Occasionally, the symptom may occur if camera video doesn’t
input correctly.
 Check if power is supplied to camera correctly.
 Occasionally, the symptom may occur with weak video signal from
video distributor when the video is connected with variable
systems. In this case, the symptom can be figured out/ solved
connecting the camera directly to DVR.
No Video on Screen
 Check cable between DVR and camera
 When camera is connected to HD-SDI BNC input :
Check if camera support HD-SDI output
 When HD-SDI BNC output is connected to Monitor BNC directly :
Check if monitor support HD-SDI input
 When HD-SDI video is changed through DVI, VGA, etc. thru video
converter : Check if video format of converter’s HD-SDI input
support s video format of this product.
REC LED doesn’t turn on despite
pressing [REC] button in front panel
and No recording.
 Check if HDD space is secured to record
 Check if recording mode is set in menu
Only logo screen shows repeatedly
 Main board has a problem or SW is damaged. Please contact CS
team for a further check.
Channel button doesn’t work in live
screen.
 If current screen is for event use, channel doesn’t work. In this
case, please terminate event screen pressing [ESC] and select
channel.
Cursor doesn’t move in Calendar
Search.
 Check if marked at channel and date you want playback
 Both channel and date should be checked to start playback.
Alarm doesn’t stop in spite of pressing
[ESC] button to delete after an alarm is
triggered.
 Please delete alarm pressing [MENU] in front panel as follows.
1) Withdrawing event monitoring screen : Monitoring mode – It
turns off event monitoring time duration.
2) For alarm sound cancel : Event record mode - Alarm (Motion