4 - 2
Power and Startup
Controls
Symptom Problem Corrective Action
The display shows “Network Link
is Down.”
The network cable is not properly
connected.
Verify that the network cable is properly
connected:
• Check the cable termination at the
switch or hub (furthest end of the
cable from the phone).
• Check that the switch or hub is
operational (flashing link/status
lights).
• Check if the LAN port is active or
inactive. Press the Menu key, and
then select Status > Network >
Ethernet. From the Ethernet screen,
scroll to LAN port and verify that it is
Active.
Symptom Problem Corrective Action
The dial pad does not work. The dial pad on the phone does
not respond.
Try the following:
• Check for a response from other
feature keys or from the dial pad.
• Place a call to the phone from a known
working telephone. Check for display
updates.
• Check if the LAN port is active or
inactive. Press the Menu key, and
then select Status > Network >
Ethernet. From the Ethernet screen,
scroll to LAN port and verify that it is
Active.
• Check the termination at the switch or
hub end of the network LAN cable.
Ensure that the switch/hub port is
operational (if it is not accessible,
contact your system administrator).
• Before restarting your phone, contact
your system administrator. Your
system administrator may want to
troubleshoot the phone in more detail
before restarting the phone and losing
current status information.