Panasonic KX-NS1000 Installation Manual page 293

PROBLEM
Extensions (except IP-PT/
SIP phone) do not operate.
The PBX does not operate
properly.
Noise on external paging.
Distorted external music.
The STATUS indicator on
the front of the cabinet turns
on red.
The LINK indicator of the
mother board does not turn
on.
PROBABLE CAUSE
•
Extension card
malfunction
•
Poor connection
between the PBX and
the extension
•
A telephone with an
A-A1 relay is
connected.
•
Extension malfunction
•
Induced noise on the
wire between the PBX
and the amplifier.
•
Excessive input level
from external music
source.
•
A major system error
occurs in the PBX.
•
Mother board
malfunction
•
Poor connection.
•
Network malfunction
SOLUTION
•
Replace the corresponding card.
•
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.
•
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.
•
Take the extension and plug it into
another extension port that is working. If
the extension does not work, replace the
extension.
•
Restart the PBX (refer to
"7.1.5 Restarting the KX-NS1000").
•
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.
•
Use a shielded cable as the connection
wire between the PBX and amplifier. A
short shielded cable is recommended.
•
Decrease the output level of the external
music source by using the volume control
on the music source.
•
See the error log using Web Maintenance
Console (refer to "7.1.6 Troubleshooting
by Error Log").
•
Replace the mother board (be sure to turn
off the PBX when replacing).
•
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.
•
Make sure that all network devices in use
are switched on.
7.1.1 Installation
Installation Manual 293