6.1 Troubleshooting
6.1.1 Installation
PROBLEM
Extension does not operate.
Improper reset operation.
Noise in external paging.
Volume distortion from
external music source.
Speed Dialing or One-
Touch Dialing does not
function.
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 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.
Use a 2 wires cord.
Set the A-A1 relay switch of the
telephone to “OUT” or “OFF”
position.
Take that 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, 81 through 88) into program-
ming.
6-2 Troubleshooting
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