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CHAPTER 13

Troubleshooting 3801HGV Gateway
This chapter provides information about troubleshooting the HomePortal 3801HVG gateway
hardware and firmware issues. It lists the issues, possible cause(s), and solution(s) in a tabular
format. The issues mentioned in this chapter are based on likely user scenarios.

Connection Issues

The following table provides information to troubleshoot connection issues:
Issue Possible Cause(s) What to Do
No POWER light Power supply is faulty • Verify that the AC power cable is securely connected to
the gateway
• Ensure that the AC power cable is not plugged in to a
switched outlet that is powered off
• Power up the gateway with a known good power outlet
• Replace the location of the gateway if it does not power
up with a known good power outlet
• If the issue persists, the AC power cable needs
replacement
POWER LED blinks just after
starting the device and then
turns solid green
Power on self test (POST) Normal behavior.
POWER LED is solid red System POST Failure •Press the Reset button on the gateway for 10 seco nds
• Replace the gateway if it does not power up into a
normal state
BROADBAND LED blinking VDSL connection not
established
Verify if VDSL service is activated on the phone cable
connected to the gateway. To do so, contact the ISP.
Loose Ethernet or DSL cable Check the Ethernet cable connection on the gateway
and the phone jack, and make sure that it is securely
seated in both ports.
SERVICE LED blinking Internet service is not
activated
Contact your ISP to activate Internet service.
BROADBAND LED blinks
green for an extended period
of time, then turns solid red
Failed broadband link
synchronization between the
gateway and the DSLAM with
which it is directly connected
• Check the Ethernet cable connection on the computer
and gateway, and make sure that it is securely seated in
both ports
• Verify if VDSL service is activated on the phone cable
connected to the gateway. To do so, contact the ISP
SERVICE LED is solid red Internet service authentication
failure and/or failure to receive
address assignment
• Contact your ISP to check if the Internet connection is
activated
• Check if the PPPoE or DHCP server is assigning an IP
address to your gateway
No ETHERNET light Inadequate connectivity Check the Ethernet cable connection on the computer
and gateway, and make sure that it is securely seated in
both the ports.
Ethernet interface is disabled Select the Ethernet Networking check box from
Settings > LAN > Wired Interfaces.