Troubleshooting - ZyXEL Communications ZyXEL ZyAIR B-4000 Quick Installation Manual

1. Locate the antenna connectors on the rear of your ZyAIR.
2. Screw the antennas clockwise onto the antenna connectors. The antennas should be
perpendicular to the ground and parallel to each other.
Make sure the antennas are securely screwed onto the antenna

5 Troubleshooting

PROBLEM
None of the LEDs
turn on when you
turn on the ZyAIR.
ZyAIR B-4000
Figure 25 Attaching Antennas
Table 4 Troubleshooting
Make sure that you have the correct power adaptor connected to the ZyAIR and
plugged in to an appropriate power source. Check all cable connections.
If the LEDs still do not turn on, you may have a hardware problem. In this case, you
should contact your local vendor.
connectors.
CORRECTIVE ACTION
22