If the monitor screen indicates that HDD inspection is needed,
and you find the Fault List in Menu > Settings > Storage Device > 3. Local Storage Device Management/Recording List Status (SW/HW),
it's necessary to replace the HTT.
Cause 1) The monitor screen indicates that HDD inspection is needed.
Solution 1) If you find the Fault List in [Menu]-[Settings]-[Storage Device]-3. Local Storage Device Management/Recording List Status (SW/HW), it's necessary to replace the HDD.
Ensure the power LED on the front is illuminated.
Check the power switch and power adapter.
Cause 1) The AC adapter is not connected.
Solution 1) Connect the AC adapter properly.
Cause 2) The power switch is not turned on.
Solution 2) Check if the ON/OFF switch on the back of the device is set to ON.
The fan operates with a 12V power supply even without the power switch being turned on.
Cause 1) The fan produces noise when the DVR is not powered on.
Solution 1) It's normal for the fan to rotate even when the DVR is turned off as long as the power adapter is connected.
The device requires Internet connectivity to synchronize time.
If not connected to the Internet,
try disconnecting the LAN cable and rebooting, as the process may be time-consuming.
1) Disconnect the Internet cable and reboot the system. 2) Perform a network reset after rebooting.
1. Only the menu is visible on the monitor, but there is no camera image.
Check camera connection and
ensure it's set to “On” in Settings > Camera > Connection.
2. There is no display on the monitor.
Check the recorder's output resolution and the monitor’s input resolution.
3. The monitor displays noise across the entire screen.
Ensure HDMI and VGA cables are within the maximum allowable distance of 10m.
Check the cables for any issues.
Cause 1) The cable is not correctly connected.
Solution 1) Connect the cable properly.
Example 1) Is the camera connected to the video input port?
Example 2) Is the monitor connected to the HDMI or VGA port?
Cause 2) The camera, peripherals, monitor, etc. are not powered on.
Solution 2) Check if the power of the camera, peripherals, monitor, etc. is turned on.
Cause 3) Is [Camera]-[Camera]-[Connection] set to “ON”?
Solution 3) Ensure the [Connection] setting is set to “ON”.
Cause 4) The monitor's screen is not visible because the screen saver is active.
Solution 4) Disable the screen saver by selecting “OFF” in [Menu]-[Others]-[Screen Display Settings].
Cause 5) The monitor screen displays no image, and only noise is visible.
Solution 5) The issue might arise from a potential electric (volt) mismatch between the monitor and the recorder. To resolve this, connect both the monitor power and the recorder power to the same power strip.
Use gauze to wipe the camera's lens or dome cover clean.
Cause 1) The camera's lens or dome cover is dirty.
Solution 1) Use clean gauze to wipe the camera's lens or dome cover.
1. The transmission distance of the video cable is up to 200 meters for the 5C-2V camera cable and up to 50 meters for the VCTF-CCTV composite cable.
2. If the BNC connector has a bad connection or the coaxial cable is worn out,
it is recommended to replace the BNC connector. If noise is still visible after the replacement,
replace the coaxial cable.
Cause 1) What’s the transmission distance of the video cable?
Solution 1) The transmission distance is up to 200 meters for the 5C-2V camera cable.
Solution 2) The transmission distance is up to 50 meters for the VCTF-CCTV composite cable.
Cause 2) The BNC connector has a bad connection or the coaxial cable is worn out.
Solution 2) Replace the BNC connector. If noise is still visible after the replacement, replace the coaxial cable.
To specify the number of days to save and set the calculation period, follow these steps.
Go to Menu > Settings > Recording > Recording > Calculation, then a pop-up will appear through which you can set the number of days to save.
Cause 1) How can I specify the number of days to save and set the calculation period?
Solution 1) Go to [Menu]-[Settings]-[Recording]-[Recording]-[Calculation], then a pop-up will appear through which you can set the number of days to save.
1. If the setting of Menu > Settings > Camera > Event Input > Sensor Type NO, NC is incorrect,
ensure that you adjust the Sensor Type NO, NC setting.
2. If Menu > Settings > Recording > Event > Sensor Detection is currently set to OFF,
ensure that you switch it to ON.
3. If Menu > Settings > Recording > Recording > Incident Recording is currently set to OFF,
ensure that you switch it to ON.
4.If the Schedule setting is incorrect, verify the Schedule setting.
Cause 1) The setting of [Menu]-[Settings]-[Camera]-[Event Input]-[Sensor Type NO, NC] is incorrect.
Solution 1) Ensure that you correctly adjust the [Sensor Type NO, NC] setting.
Cause 2) If [Menu]-[Settings]-[Recording]-[Event]-[Sensor Detection] is currently set to OFF.
Solution 2) Ensure that you set the [Sensor Detection] to ON.
Cause 3) [Menu]-[Settings]-[Recording]-[Recording]-[Incident Recording] is currently set to OFF.
Solution 3) Ensure that you set the [Incident Recording] to ON.
Cause 4) The [Schedule] setting is incorrect.
Solution 4) Verify the [Schedule] setting.
If you lack menu setting privileges or have entered an incorrect password,
log in as a user with the appropriate privileges.
Cause 1) You lack menu setting privileges or have entered an incorrect password.
Solution 1) Log in as a user with the appropriate privileges.
If you lack playback privileges or have entered an incorrect password,
log in as a user with the appropriate privileges.
Cause 1) You lack playback privileges or have entered an incorrect password.
Solution 1) Log in as a user with the appropriate permission.
1. If there is no recorded video data,
check if any recorded data exists on the search screen.
2. In case there is a video storage limit,
video data beyond the storage period won't be playable. To check
if any previous videos remain, access Menu > Others > Log View, and verify by calendar date.
3. How can I check the HDD status?
To check the HDD status, double-click the HDD List in Menu > Settings > Storage Device > 3. Local Storage Device Management, then click S.M.A.R.T.
[ Reference image: How to check HDD using S.M.A.R.T. ]
4. There is a recorded video, but it is not playing.
Switch to NTSC/PAL Configuration S/W and check.
Cause 1) There is no recorded video data.
Solution 1) Check if any recorded data exists on the search screen.
Cause 2) There is a video storage limit and the storage period has passed.
Solution 2) Video data beyond the storage period won't be playable. To check if any previous videos remain, access [Menu]-[Others]-[Log View], and [verify by calendar date].
Cause 3) How can I check the HDD status?
Solution 3) To check the HDD status, double-click the HDD List in [Settings]-[Storage Device]-[3. Local Storage Device Management], then click [S.M.A.R.T.].
Cause 4) There is a recorded video, but it is not playing.
Solution 4) Switch to NTSC/PAL Configuration S/W and check.
1) When the HDD capacity is shown as O (e.g., 0/1000GB), the HDD has not been recognized.
2) Selecting the Buzzer and HDD Recognition Failure in the Alarm Function
will trigger the alarm buzzer.
1) The HDD is not recognized (when the HDD capacity is shown as O) e.g., 0/1000GB.
2) In System Settings > Alarm Function > Alarm Action, the Buzzer option is selected.
3) In System Settings > Alarm Function > Alarm List, the HDD Recognition Failure option is selected.
If all three conditions mentioned above are met, the system will reboot after an hour.
The normal temperature for Seagate products is 70°C, while for WD products, it is 65°C.
Question) What are the possible outcomes when trying to search and play HDD recorded on a 4-channel device on an 8-channel or 16-channel device?
Answer) When a 4-channel HDD is connected to an 8-channel DVR or an 8-channel HDD is connected to a 16-channel DVR, you can play back the video without any issues.
Question) What are the possible outcomes when trying to search and play HDD recorded on an 8-channel or 16-channel device on an a 4-channel device?
Answer) When an 8-channel HDD is connected to a 4-channel DVR, only channels 1 to 4 will be played back.
When a 16-channel HDD is connected to a 4-channel DVR, only channels 1 to 4 will be played back.
When a 16-channel HDD is connected to an 8-channel DVR, only channels 1 to 8 will be played back.