Grandstream GVR3550 User Manual - Manual (Page 117)

Grandstream Networks, Inc. GVR3550 User Manual Page 117 of 120
Firmware Version 1.0.0.65 Last Updated: 10/2014
APPENDIX
FAQs
The issues 1-21 might be caused by the reasons listed below each issue.
1. The GVR3550 is unable to start properly after normal startup
Unmatched input power
The power cables contact is not good
Damaged power switch
System upgrade errors
Damaged HDD or HDD cables problem.
Front panel error
Damaged mainboard
2. The GVR3550 would reboot automatically or crashes frequently in a few minutes after
startup
Unstable input power or low voltage.
No enough power
Connection error of HDD power line
Bad tracks or damaged HDD line.
Power shortage
Unstable IPC signal
Poor heat dissipation, too much dust, poor running environment.
Hardware failure
3. Undetected HDD after startup, it might be caused by the following reasons.
Unconnected HDD power line
Damaged HDD cable
Connection error of HDD jumpers
Damaged HDD
Damaged SATA port on mainboard
4. No single camera/ Multi-camera/ video output
Unmatched programs, please update the right system programme
Image brightness is 0, please restore the default settings.
Hardware failure
5. Unable to search record when local playback
Damaged HDD cables or jumpers.
Updated procedures varied from the original application file.
Damaged HDD