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7 Troubleshooting
Make sure you are using the correct power adaptor and the power adaptor is plugged into an appropriate
power supply.
PROBLEM
The PWR and/or
SYS LED are off.
The LAN LED is
off.
The ZyAIR LED is
off.
The WLAN LED is
off.
ZyAIR G-2000 Plus Quick Start Guide
Make sure you are using the correct power adaptor and the power adaptor is plugged
into an adequate power supply.
Turn the ZyAIR off and on. If the error persists, you may have a hardware problem. In
this case, you should contact your vendor.
Check the cable connection to the ZyAIR LAN port.
Make sure your computer's network card is working properly.
Turn the ZyAIR off and on. If the error persists, you may have a hardware problem. In
this case, you should contact your vendor.
Make sure that the access point and the associated computers are turned on and
working properly.
Move your computer closer to the access point or the peer computer(s) within the
transmission range.
There is too much radio interference (for example microwave or another access
point) around your wireless network. Relocate or reduce the radio interference.
Optimize the performance of the WLAN by ensuring that the distance between
access points is not too far. In most buildings, most WLAN adapters operate within a
range of 100 ~ 300 feet, depending on the thickness and structure of the walls.
Radio waves can pass through walls and glass but not metal. If there is interference
in transmitting through a wall, it may be that the wall has reinforcing metal in its
structure. Install another access point to circumvent this problem.
Floors usually have metal girders and metal reinforcing struts that interfere with
WLAN transmission.
CORRECTIVE ACTION
21
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