Troubleshooting
80
Installation Manual
3.1
Troubleshooting
3.1.1
Installation
PROBLEM
PROBABLE CAUSE
POSSIBLE SOLUTION
Extension does not operate.
Bad printed circuit board.
Exchange printed circuit board for
another printed circuit board.
Bad connection between the
system and extension.
Take that extension and plug it into
the same extension port using a short
telephone cord. If the telephone does
not work, connection between the
system and the extension must be
repaired.
Bad extension.
Take that extension and plug it into
another extension port that is
working. If the telephone does not
work, replace the phone.
Improper reset operation.
Press the reset button.
Noise in external paging.
Noise on the wire between the
system and the amplifier.
Use a shielded cable as the
connection wire between the system
and amplifier. A short shielded cable
is recommended.
Sound distortion from external
music source.
Excessive input level from
external music source.
Decrease the volume.
Speed Dialling or One-Touch
Dialling does not function.
Bad programming.
Enter the ISDN port access number
(0, 81 through 83) when
programming.
Your Single line rotary
telephone does not function.
The pulse dial from your
telephone is disabled by the
system.
Select "Enable" in programme [121]
Pulse Dial Reception Assignment.
You forget your own extension
number.
You can confirm your own extension
number if your telephone is provided
with a display. Press [PROGRAM]
[99] [6]. To exit from the mode, press
[HOLD] [PROGRAM].
