84
Troubleshooting
Check the following before requesting repair.
Contact a dealer if a problem cannot be solved even after checking and trying the solution or if a problem is
not described below, or when having a problem with installations.
Problem
Possible Solution
Ref. Page
Power is not turned on.
p
p
Is the power plug connected to the AC outlet firmly?
¼
Ú
Confirm the cable is firmly connected.
p
p
Is the power cord (provided with this product)
connected to the power inlet of the recorder firmly?
¼
Ú
Check if it is connected to the limit.
18
No camera image is displayed.
p
p
Check camera video cable and connections.
p
p
Check monitor video cable and connections.
p
p
Confirm that the camera has power.
p
p
Check camera lens settings.
15, 18
Live video is very bright.
Check if the cameras are connected to the Video Input
Connectors correctly.
15
The camera image is dim.
Check if dust may be sticking to the camera lens.
—
Displayed image does not fit in the
screen.
This is not a malfunction. Images may not fit in the
screen of some monitor models because of their
resolutions.
—
Black bars are displayed on both
edges of the screen.
Black bar(s) appear(s) when signals not compliant with
the standard in your locality are transmitted.
—
The recorder cannot start recording.
p
p
Check if the Overwrite mode of the Record settings
is checked.
p
p
Check the Schedule settings.
32, 33
The recorder has stopped
recording.
p
p
If hard disk drive is full, you will either need to
delete video or set the recorder to the Overwrite
Mode.
p
p
You can check the free space of HDD, if free space
tab of DISPLAY-OSD settings is checked.
29, 32, 52
The icon displays, however, the
recorder is not recording.
When the recorder is in the Pre-Event recording mode,
the yellow and display when there is no event,
and the recorder is not recording. The red and
display when any event occurs and the recorder starts
recording.
34, 35
The recorder cannot playback
images.
Check if images have been recorded on the hard disk
drive.
67
The recorder cannot control
cameras.
p
p
Check the connection (RS485 Terminal) of the
camera you are going to control.
p
p
Check if the camera you are going to control is a
PTZ camera.
17
Alarm operations are not activated.
p
p
Check if alarm input signals are properly input to
the Alarm Input Terminal at the rear panel.
p
p
Check the Alarm-In settings.
16, 37
The clock does not keep correct
time.
Check if the built-in backup battery has been worn
out. The battery life is approx. 5 years. (The battery
lifetime may differ depending on the condition of the
environment.)
—
Cannot establish a connection via
the network.
Check the network settings of the unit and PC.
18, 44
Cannot video clip copy to the USB
flash drive.
Check if it is possible to write in the USB flash drive by
using PC.
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