User Guide
9
Troubleshooting
The following table provides troubleshooting help. The topics are arranged
in the order in which they should be executed in most situations. If you are
unable to resolve the problem after following these instructions, please
contact Icron technical support for further assistance (see page 14).
Symptoms/Cause
Remedy
All LEDs on LEX and
REX are off.
Cause:
The USB Ranger is not
receiving power from
the adapter
1. Ensure that the power adapter is connected to
LEX or REX
2. Check that the adapter is connected to a live
source of electrical power
Power LED on one unit
is on, power LED on
other unit is off.
Cause:
There is no connection
between the LEX and
REX units.
1. Ensure that a Category 5 UTP cable with
straight-through conductors is connected
between the LEX and REX units.
2. Connect a short Category 5 patch cord
between the LEX and REX units. Recheck the
operation of the system.
Link LEDs on LEX and
REX are off.
Cause:
There is no connection
between the LEX and
REX units.
1. Ensure that a Category 5 UTP cable with
straight-through conductors is connected
between the LEX and REX units.
2. Connect a short Category 5 patch cord
between the LEX and REX units. Recheck the
operation of the system.
USB Hub Power
Exceeded
message is
displayed by the
computer.
Cause:
The USB device
connected to REX is a
high-power device and
the power adapter is
connected to LEX
1. Move the power adapter from LEX to REX.
