Grandstream Networks GVR3550 User Manual page 118

HDD full
The record you want to search has been overwritten.
The record has not yet played
6. Dazzling monitor when search local record
Wrong data reading, small code stream, full screen mosaic when playback, restart the
GVR3550 will solve these issues in general.
Damaged HDD cable or jumpers.
HDD error
Hardware failure
7. Wrong Time Display
Wrong settings
Poor contact of cell button or low voltage.
Crystal oscillator is unworkable
8. The GVR3550 can't monitor PTZ
IPC PTZ error
Incorrect PTZ decoding settings, wiring, installation.
Incorrect cable connection
Incorrect PTZ settings
Unmatched PTZ decoder with the GVR3550 protocol
Unmatched PTZ decoder with the GVR3550 address
9. Unable to login the Web page
Unable to install PC client or the page can't be displayed normally.
The operation systems are win98 or win me: It is recommended to update the operating
system to win2000sp4 and higher.
Network connection error
Network settings
Incorrect username or password.
10. Mosaic or no images when preview or playback record
Poor internet connection
Resource limitations on the PC client
The login user has no monitoring privilege.
11. Unstable internet connection
Unstable network
IP address confliction
MAC address confliction
Unstable connection of network card on PC or on the GVR3550
12. USB backup error
CPU usage is too high, please stop recording then backup.
Data volume exceeds backup capacity would cause backup error
Incompatible backup devices
Damaged backup devices
Grandstream Networks, Inc. GVR3550 User Manual
Firmware Version 1.0.0.65
Page 118 of 120
Last Updated: 10/2014