User Manual

Section 8. Troubleshooting
In the event that you encounter a problem with your system, refer to the following table for possible
solutions:
PROBLEM POSSIBLE CAUSE SOLUTION
The Reader’s
Power/Activity LED
doesn’t light.
The AC outlet may not be
working or may be controlled
by a wall switch.
Plug a different electrical appliance into the
outlet and turn it on. If the appliance doesn’t
work, plug the Reader into a different outlet.
The Reader’s
Power/Activity LED is
on but doesn’t blink.
The Reader isn’t
communicating with the host
PC
-or-
The host PC isn’t
communicating with the
Reader.
Check that your host PC’s port settings are
configured properly.
Make sure that you used the Utility software to
change the Reader’s factory-assigned xFF
address to a unique address for communicating
with your host PC.
Check to ensure proper network cabling
(including terminators at both ends.)
Verify communications at a fixed 230,400 rate.
Read range has degraded
noticeably.
The environment may not be
free from sources of
electromagnetic interference.
Check that your Reader is installed in a location
free from electromagnetic interference sources
such as: generators, pumps, converters, non-
interruptible power supplies, AC switching
relays, light dimmers, computer CRT terminals,
etc.
Run system cabling away from other data
carrying cables.
12 Long Range Reader User’s Manual  2002 Matrics, Inc.