7 Troubleshooting
Common Troubleshooting Tips
LED Activity
If you encounter difficulty using and/or installing your WL11-SD product, the
error may be related to various causes:
Out - of range situation, which prevents the WL11- SD Client from
establishing a wireless connection with the network.
Configuration mismatch, which prevents the WL11- SD Client from
establishing a wireless connection with the (correct) network.
Absence of, or conflict of the WL11- SD Driver.
A problem or conflict with the WL11- SD Client socket from powering
on.
A conflict of the WL11-SD hardware with another device
Table below provides an overview of the various modes of operation and the
associated LED activity.
LED Activity Table
Power LED Description/Action
Continuous
Red
Standard operational mode
No action is required
Off WL11-SD Client power is not on, so it cannot
transmit/receive data.
The WL11-SD may not be connected properly.
Actions
Check WL11- SD connection.
Verify the device settings of the WL11- SD Client
to determine the conflict with another device. If so,
change the settings of either your WL11-SD Client
or the conflicting device to resolve the problem.
Verify the versions of the driver and the
WL11- SD Client firmware.
Visit our support website at
http://www.ambicom.com to see if newer
versions are available and if so, upgrade both the
driver and WL11-SD firmware.

Cannot Connect To Network

If your AmbiCom WL11-SD seems to be working fine, but you are not able to
connect to the network, this error might be due to a configuration mismatch.
For example if LED of your WL11-SD Client lights, the problem is likely to be
caused by a configuration mismatch of
Network Name
Encryption Key (The WL11- SD Network Name is case- sensitive).
Other causes may be: