Troubleshooting; Installation - Panasonic KX-TDA100 Installation Manual

4.1.1 Installation

4.1 Troubleshooting

4.1.1 Installation
PROBLEM
Extension does not operate. Bad extension card.
The PBX does not operate
properly.
Noise on external paging.
Distorted external music.
Alternate Calling—Ring/
Voice and Live Call
Screening (LCS) do not
function as set when using a
Wireless Phone
(KX-T7880KX-T7885/
KX-TD7894/KX-TD7895).
The ALARM indicator on the
front of the shelf turns on red.
260 Installation Manual
PROBABLE CAUSE
Bad connection between the
PBX and telephone.
A telephone with an A-A1
relay is connected.
Bad telephone.
Wrong type of PSU.
Induced noise on the wire
between the PBX and the
amplifier.
Excessive input level from
external music source.
Voice-calling mode and
Hands-free mode with LCS
are not available with
Wireless Phones.
A major system error occurs
in the PBX.
SOLUTION
•
Exchange the card for a known working
one.
•
Take the telephone and plug it into the
same extension port using a short
telephone cord. If the telephone works,
then the connection between the PBX and
the telephone must be repaired.
•
Use a 2-wire cord.
•
Set the A-A1 relay switch of the telephone
to the "OUT" or "OFF" position.
•
Take the telephone and plug it into another
extension port that is working. If the
telephone does not work, replace the
telephone.
•
Replace the PSU with the appropriate type.
•
Press the Reset Button (refer
to "4.1.4 Using the Reset Button").
•
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.
•
Switch the calling mode to ring-calling.
•
Set the LCS mode to "Private".
•
See the error log using the Maintenance
Console (refer to "4.1.5 Troubleshooting
by Error Log").