User manual

13
TROUBLESHOOTING THE USB-400FO EXTENDER
PROBLEM CAUSE SOLUTION
Device LED is
orange and units
are no longer
functioning.
Overcurrent condition has
occurred because USB
device draws more power
than can be supplied
per USB specifi cation
(500mA).
1. Power cycle Receiver.
LED Host and
LINK LEDs on
Sender/Receiver
units blink
intermittently.
Firmware mismatch
between the Sender and
Receiver.
1. Use a different Sender/
Receiver pair which have the
same fi rmware revision.
2. Upgrade the Sender/
Receiver fi rmware, contact
technical support for
assistance.