User guide

SerVision MVG 400 System Guide
Troubleshooting 185
Troubleshooting
This section contains a list of common problems and suggestions for finding solutions. If you
cannot solve a problem you are having with the unit, please contact technical support.
NOTE: The technical support representative may ask you for the serial number of your
unit. The serial number appears on the sticker on the underside of the unit, and is
labeled S/N.
1. Problem:
After modifying configuration settings and restarting the MVG 400, the unit cannot be
accessed.
Solution:
Disconnect the power supply from the unit and then reconnect it.
Additional information: Resetting the Unit, page 154
2. Problem:
The firmware update process did not complete properly, and the MVG 400 unit cannot be
accessed.
Solution:
Disconnect the power supply from the unit and then reconnect it. If the LED on the front
panel of the unit displays as a solid green or orange (and is not flashing), reinstall the
firmware using the Catch Boot operation.
Additional information: Catch Boot Option, page 168
3. Problem:
The unit can be accessed by PCs that are connected to the LAN, but not by remote client
devices.
Solutions:
• Check that the relevant network settings are correct.
Additional information: LAN Settings, page 63; Modem, page 65; WiFi, page 68
• Check the firewall settings of the networks’ gateways; ensure that the required port is
open for incoming connections and that the port is forwarded correctly.
Additional information: About Ports, page 48
4. Problem:
A connection to a cellular network cannot be established.