Troubleshooting Tips
Modem Problem
Cannot Access the
Internet
Front Panel LED Icons and Error Conditions
The SB6190 front panel LED icons provide status information for the following error conditions:
LED Icon
Status
Off
Blinking
Blinking
Blinking
SURFboard SB6190 Cable Modem • User Guide
365-095-28610 x.2
Copyright 2015 ARRIS Enterprises, Inc. All rights reserved.
Possible Solution
Check that all cable and power connections on your cable
modem and computer are properly connected.
Check that the Power and Online LEDs on the front panel are lit
up solid.
If neither of the above solutions resolves the problem, contact
your service provider for assistance.
Table 6: Front Panel LED Icons and Error Conditions
If, During Startup:
Modem is not properly plugged
into the electrical outlet
Downstream receive channel
cannot be acquired
Upstream send channel cannot
be acquired
IP registration is unsuccessful
If, During Normal Operation:
Modem is unplugged
Downstream channel is lost
Upstream channel is lost
IP registration is lost
19