Axis DV426 Instruction Manual page 78

12. FAQ
1) The system can't start up?
Check power connection. Please follow the steps below to check the power
connection:
1. Check the input power: if the power wire is connected correctly, if the ground
wire is connected to the battery, and if the fuse on the power wire is in good
condition.
2. Check if the voltage of the ACC signal wire is higher than 6 V.
3. Check if he input voltage of the device is higher than the shutdown voltage set on
the screen of HD DVR.
2) The HD DVR restarts uninterruptedly?
Please follow the steps below to check it:
1. Check if the supply voltage of DVR is insufficient. If it is lower than the start-up
voltage of the device, the device would restart repeatedly.
2. Restart HD DVR to see if it can work properly this time.
3) Unable to recognize disks？
1. Check if the disk itself is in good condition and make sure that it is installed and
of fine contact.
2. The disk has been formatted by DVR.
3. Restart DVR to see if it can work properly this time.
4) Unable to recognize cameras？
1. Make sure the camera is intact and the connection is correct.
2. Refit all wires (e.g,DB44 wire & extended wires) between cameras and the
device .
3. Restart DVR to see if it can work properly this time.
5) GPS anomaly？
Check if the GPS antenna is properly installed.
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