Panasonic KX-NS300, Installation Manual

Page: 255 / 300

PROBLEM PROBABLE CAUSE SOLUTION
Extensions (except IP-PT/
SIP phone) do not operate. •
Extension card
malfunction
•
Replace the corresponding card.
•
Poor connection
between the PBX and
the extension
•
Take the extension and plug it into the
same extension port using a short
telephone cord. If the extension works,
then the connection between the PBX and
the extension must be repaired.
•
A telephone with an
A-A1 relay is
connected.
•
Make sure that a 2-wire cord is used.
•
Make sure that the A-A1 relay switch of
the telephone is in "OUT" or "OFF"
position.
•
Extension malfunction
•
Take the extension and plug it into
another extension port that is working. If
the extension does not work, replace the
extension.
The PBX does not operate
properly. •
Restart the PBX (refer to
"7.1.5 Restarting the KX-NS300").
•
Turn off the power switch, and then turn it
back on.
•
Turn off the power switch, and then
unplug the PBX. After 5 minutes, plug the
PBX back in, and turn the power switch
back on.
Noise on external paging. •
Induced noise on the
wire between the PBX
and the amplifier.
•
Use a shielded cable as the connection
wire between the PBX and amplifier. A
short shielded cable is recommended.
Distorted external music. •
Excessive input level
from external music
source.
•
Decrease the output level of the external
music source by using the volume control
on the music source.
The STATUS indicator on
the front of the cabinet turns
on red. •
A major system error
occurs in the PBX.
•
See the error log using Web Maintenance
Console (refer to "7.1.6 Troubleshooting
by Error Log").
The LINK indicator of the
mother board does not turn
on. •
Mother board
malfunction
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
Poor connection.
•
Make sure that an 8-pin twisted pair cable
is used for connection.
•
Make sure that none of the CAT 5/CAT 5e
cables in use are over 100 m in length.
•
Make sure that a straight cable is used for
connection to a switching hub.
•
Network malfunction
•
Make sure that all network devices in use
are switched on.
Installation Manual 255
7.1.1 Installation