Panasonic KX-HTS824 Getting Started page 107

PROBLEM
Extensions do not operate.
The PBX does not operate
properly.
The STATUS indicator on
the front of the cabinet
turns on red.
The LINK indicator of the
mother board does not turn
on.
Status LED is set to Power
ON → Amber (5s) →
continues to flash red (240
times/minute)
PROBABLE CAUSE
•
Extension card
malfunction
•
Poor connection
between the PBX and
the extension
•
Extension malfunction
•
A major/minor system
error occurs in the
PBX.
•
Mother board
malfunction
•
Poor connection.
•
Network malfunction
Fan failure
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.
•
Take the extension and plug it into another
extension port that is working. If the
extension does not work, replace the
extension. If the extension works, replace
the extension card.
•
Restart the PBX (refer to "6.1.4 Restarting
the PBX").
•
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.
Error Log files can be accessed or exported
on the Web-MC. For more information, refer to
4.4.2 Maintenance—[3-2] Utility—System Log
in Programming Item List.
•
Should a Main CPU failure be detected or a
failure notice be received from any device, a
description of the failure will be recorded in
the log and appropriate measures, including
but not limited to system reset, will be
initiated.
•
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 (328 ft) 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.
Contact Service Center
6.1.1 Installation
Getting Started 107