Q-See QT446 User Manual Page 71

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71
A.1 TROUBLESHOOTING
1. The NVR does not start after connecting the power, what is wrong?
a. The power adapter may have been damaged, or is not providing enough power. Please
change the adapter.
b. The NVR may not be getting enough power from the outlet or surge protector it is
attached to.
c. There could be a problem with the system board on the NVR
2. The indicator lights of the NVR are on, but no output. Why?
a. The power adapter may have been damaged, or is not providing enough power. Please
change the adapter
b. The video format of the NVR is different from that of the monitor.
c. Connection problem. Please check the cable and the ports of the monitor and NVR.
3. Why are no images displayed on some or all of the channels of the NVR?
a. Connection problem. Please check the cables and the ports of camera and NVR.
b. Camera problem. Please check the cameras by attaching them directly to a working port
on NVR.
c. The video format (NTSC/PAL) of the NVR is different from that of the cameras. Please
change NVR video format.
4. The NVR cannot find the hard disk drive.
a. The power adapter is not providing enough power, or the adapter is not getting enough
power from the outlet
b. Connection problem. Please check the power and data cables on the HDD.
c. The HDD is damaged and will need to be replaced.
5. I cannot record, what could be the problem?
a. The HDD is not formatted. Please format it manually first.
b. The record function is not enabled or setup correctly. Please refer to Section 4.3
Record Configuration.
c. The HDD is full and recycle function is not enabled. Please refer to Section 4.3 Record
Configuration and the Recycle Record Tab in the Record Menu.
d. The HDD is damaged and will need to be replaced.
6. I cannot use the mouse, what could be the problem?
a. Wait 5 minutes after connecting the mouse and then try again.
b. The mouse is not securely connected. Plug/unplug several times.
c. The mouse is incompatible with the system. Please try another mouse.
7 What can I do when the NVR starts and displays “please wait……”all the time?
a. First possible reason: hard drive power cable and/or data cable are not securely
connected.
Solution: Please check the cable connections and make sure they are secure; if still not
working, please unplug them and then plug them in again.
b. Second possible reason: The system is having problems reading the hard drive.
Solution: Try reformatting the current drive or re-placing it.
c. Solution: Try connecting the NVR to a different surge protector and power outlet.
APPENDIX
Revoved “or TV from 3b
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