G-3000H User’s Guide

Appendix A

Troubleshooting

This appendix covers potential problems and possible remedies. After each problem description, some instructions are provided to help you to diagnose and to solve the problem.

Problems Starting Up the ZyAIR

Table 83 Troubleshooting the Start-Up of Your ZyAIR

PROBLEM

CORRECTIVE ACTION

 

 

None of the LEDs

Make sure you are using the supplied power adaptor and that it is plugged in to an

turn on when I plug in

appropriate power source. Check that the power source is turned on.

the power adaptor.

If the problem persists, you may have a hardware problem. In this case, you should contact

 

your local vendor.

The ZyAIR reboots

The supplied power to the ZyAIR is too low. Check that the ZyAIR is receiving enough power.

automatically

Make sure the power source is working properly.

sometimes.

 

Problems with the Ethernet Interface

Table 84 Troubleshooting the Ethernet Interface

PROBLEM

CORRECTIVE ACTION

 

 

Cannot access the

If the ETHN LED on the front panel is off, check the Ethernet cable connection

ZyAIR from the

between your ZyAIR and the Ethernet device connected to the ETHERNET port.

LAN.

Check for faulty Ethernet cables.

 

 

Make sure your computer’s Ethernet adapter is installed and working properly.

 

Check the IP address of the Ethernet device. Verify that the IP address and the subnet

 

mask of the ZyAIR, the Ethernet device and your computer are on the same subnet.

I cannot ping any

If the ETHN LED on the front panel is off, check the Ethernet cable connections

computer on the

between your ZyAIR and the Ethernet device.

LAN.

Check the Ethernet cable connections between the Ethernet device and the LAN

 

computers.

 

Check for faulty Ethernet cables.

 

Make sure the LAN computer’s Ethernet adapter is installed and working properly.

 

Verify that the IP address and the subnet mask of the ZyAIR, the Ethernet device and

 

the LAN computers are on the same subnet.

Appendix A Troubleshooting

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