Troubleshooting; Installation - Panasonic KX-TDA50 Installation Manual

4.1.1 Installation

4.1 Troubleshooting

4.1.1 Installation
PROBLEM
Extension does not operate.
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-T7880/KX-T7885/
KX-TD7894/KX-TD7895).
124 Installation Manual
PROBABLE CAUSE
Bad extension card.
Bad connection between the
PBX and telephone.
A telephone with an A-A1
relay is connected.
Bad telephone.
The number of terminal
equipment exceeds the
capacity of the PBX with the
supplied AC adaptor only.
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.
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.
•
Connect an additional AC adaptor.
•
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".
Document Version 2010-11