Full Product Manual

Chapter 7: Troubleshooting Tips

PN 365-095-28610 x.3 SURFboard SB6190 Cable Modem User Guide

Modem Problem

Possible Solution

Cannot Access the

Internet

 Check that all cable and power connections on your cable

modem and computer are properly connected.

 Check that the Power and Online LED icons on the front

panel are lit up solid.

 Contact your service provider for assistance.

Front Panel LED Icons and Error Conditions

The SB6190 front panel LED icons provide status information for the following error

conditions:

Table 6. Front Panel LED Icons and Error Conditions

Led Icon

Status

If, During Startup:

If, During Normal Operation

OFF

Modem is not properly

plugged into the electrical

outlet

Modem is unplugged

FLASHING

Downstream receive channel

cannot be acquired

Downstream channel is lost

FLASHING

Upstream send channel

cannot be acquired

Upstream channel is lost

FLASHING

IP registration is unsuccessful

IP registration is lost