ZyAIR B-4000 Hot Spot Gateway

Chapter 23

Troubleshooting

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

23.1 Using LEDs to Diagnose Problems

The LEDs are useful aides for finding possible problem causes.

23.1.1 The Power LED

The PWR LED on the front panel does not light up.

Table 23-1 Troubleshooting Power LED

STEPS

CORRECTIVE ACTION

1Check the connection from the ZyAIR to the power source. Make sure you are using the supplied power supply. Refer to the product specifications.

2Make sure the power source is turned on and that the ZyAIR is receiving sufficient power.

3If these steps fail to correct the problem, contact your local distributor for assistance.

23.1.2 The LAN Port LEDs

None of the LEDs for the LAN port(s) light up when connected to an Ethernet device.

Table 23-2 Troubleshooting LAN LEDs

STEPS

CORRECTIVE ACTION

1Make sure the ZyAIR is turned on.

2Verify that the attached device(s) is turned on and properly connected to the ZyAIR.

3Verify that the Ethernet cable length does not exceed 100 meters.

4Make sure the network adapters are working on the attached device(s).

23.1.3 The WAN Port LED

The LED for the WAN port does not light up when connected to an Ethernet device.

Troubleshooting

23-1