D-Link DWL-1800 user manual System Troubleshooting, Troubleshooting Guide

4. SYSTEM TROUBLESHOOTING

The following troubleshooting guide provides answers to some of the more common problems that may occur when installing and using the D-Link Air Premier DWL-1800. If problems not mentioned in this guide should arise, checking the Ethernet and WLAN counters may help (see Section 3.2.1.3.4). If the problem persists, please feel free to contact your local distributor or the D-Link Technical Support Department.

4.1 Troubleshooting Guide

Problem and	Possible Cause	Corrective Action
Indication
No power to unit.	Power cord is not properly	Verify power cord is properly connected to
Power LED is off.	connected.	the DWL-1800 unit and to the power outlet.
Failure to establish	1. Power supply to units	1. Verify power to units.
wireless link.	may be faulty	2. Verify that all units in the network have
WIRELESS LINK	2. The DWL-1800R units	the same ESSID (ESSID must be identical
LED is off and unit	may not have the same	in all units in the WLAN; the ESSID is case
resets every few	ESSID as the	sensitive). Check that the units are on the
minutes.	DWL-1800B.	same channel.
		3. Verify wireless link
		?? Set DWL-1800B and
		DWL-1800R units side by side.
		?? Power on each unit and see if a
		wireless link is established (even
		“D” models without their external
		antennas should establish a link if
		placed side by side).
		?? If the units fail to associate, reset
		units to factory default values (see
		Section 3.4). The units should
		now establish a wireless link.

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