Qvis PIONEER 3, User Manual

Page: 103 / 112

© Copyright QVIS ®. All documentation rights reserved. 96
4 TROUBLESHOOTING
If the problems are not listed, please contact your local CCTV service professional.
1. The NVR cannot boot up normally.
Possible reasons:
A. The power supply is not correct.
B. Bad power supply connection.
C. Switch power supply is damaged.
D. Firmware update failed to install correctly.
E. The hard disk is damaged or the hard disk lines are broken.
F. The front panel is damaged.
G. The main board of the NVR is damaged.
2. The NVR reboots automatically or stops working after boot up a few minutes.
Possible reasons:
A. The input voltage is not stable or too low.
B. The hard disk is damaged or the hard disk lines are broken.
C. The power of the switch power supply is low.
D. Frontal video signal is not stable.
E. Bad heat radiator or too much dust or bad running circumstance for the NVR.
F. The hardware of the NVR is damaged.
3. System cannot detect hard disk.
Possible reasons:
A. The hard disk power supply line is not connected.
B. The cables of the hard disk are damaged.
C. The hard disk is damaged.
D. The SATA port of main board is damaged.