Troubleshooting – Motorola SB5100 Series User Manual
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SB5100 Series Cable Modem User Guide
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Troubleshooting
If the solutions listed here do not solve your problem, contact your cable service provider. Before calling your service provider, try unplugging and
plugging in the cable modem power cord in the AC wall outlet to restart the cable modem. Restarting the cable modem may take 5 to 30 minutes.
Before calling your service provider, try pressing the reset button on the rear panel. Resetting the cable modem may take 5 to 30 minutes. Your
service provider may ask for the status of the front-panel lights as described in
“Front-Panel Lights and Error Conditions”
Problem
Possible Solutions
Green POWER light is off
Check that the power cord is properly plugged into the electrical outlet and the cable modem.
Check that the electrical outlet is working.
If the Standby light is on, the Internet connection is off. Press the Standby button to reconnect to the Internet.