Troubleshooting; Installation - Panasonic KX-TD500 Installation Manual

5.1 Troubleshooting

5.1 Troubleshooting

5.1.1 Installation

PROBLEM
Extension does not operate.
Improper reset operation.
Noise in external paging.
Volume distortion from
external music source.
Speed Dialling or One-Touch
Dialling does not function.
270
PROBABLE CAUSE
Bad printed circuit board
(Extension Card).
Bad connection between the
system and extension.
A telephone with an A-A1
relay is connected.
Bad extension.
Induced noise on the wire
between the system and the
amplifier.
Excessive input level from
external music source.
Bad programming.
POSSIBLE SOLUTION
Exchange printed circuit board for
another printed circuit board.
Take the extension and plug it into the
same extension port using a short
telephone cord. If the telephone does not
work, the connection between the
system and the extension 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 extension and plug it into
another extension port that is working. If
the telephone does not work, replace the
phone.
Press the Reset Button.
Use a shielded cable as the connection
wire between the system 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.
Enter the CO line access number (9:
[BX], [NZ], [CN], [HK], 0: [SA], 801
through 848) into programming.
Troubleshooting