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Chapter 5 Troubleshooting
This chapter provides solutions to problems usually encountered during the installation and
operation of the WAP-4000A.
The WAP-4000A cannot power up.
Use an electrical test meter to determine the output voltage of the power supply. Check if
it matched the specification of WAP-4000A.
Cannot communicate with WAP-4000A through a wired LAN computer.
Check the following:
WAP-4000A is properly installed, LAN connections are OK, and it is powered ON.
Ensure that your PC and WAP-4000A are on the same network segment.
If your PC is set to "Obtain an IP Address automatically" (DHCP client), restart it.
If your PC uses a Fixed (Static) IP address, ensure that it is using an IP Address within
the range 192.168.1.2 to 192.168.1.254 and thus compatible with WAP-4000A's
default IP Address of 192.168.1.1.
Also, the Network Mask should be set to 255.255.255.0 to match WAP-4000A.
In Windows, you can check these settings by using Control Panel-Network to check
the Properties for the TCP/IP protocol.
My wireless client cannot associate with WAP-4000A.
Check the following:
Make sure the wireless adapter is compatible with IEEE 802.11b or 802.11g.
Move the wireless client closer to WAP-4000A.
Ensure WAP-4000A and the wireless client have the same SSID.
Ensure WAP-4000A and the wireless client have the same WEP encryption settings, if
enabled.
Confirm the WLAN LED of WAP-4000A is on.
If the MAC filter is enabled, please make sure the wireless client is allowed to build the
link.
Ensure the operating mode is in “AP” mode.
The throughput rate is slow.
Check the following:
Verify the antenna, connector, and cabling are well connected.
Adjust the antenna, and make sure the antenna is not behind metal or any obstacle. If
the throughput increases after you move the client closer to WAP-4000A, please
consider to add additional WAP-4000A and implement roaming.
Verify the network traffic does not exceed 37% of bandwidth.
Lower the broadcast rate of wired network to no more than 10 broadcast messages