Operation - Panasonic KX-TEA308 Installation Manual

4.1 Troubleshooting
4.1.3

Operation

PROBLEM
• When using the
speakerphone on an
analogue proprietary
telephone, no sound is
heard.
• The proprietary telephone
(PT) does not ring.
• During a power failure,
PTs connected to jack
number 01 does not
operate.
• Outside (CO) line calls
cannot be made with a PT.
• An SLT set to "tone"
dialling mode cannot
make calls.
76 Installation Manual
PROBABLE CAUSE
• The HANDSET/
HEADSET selector is set
to the "HEADSET"
position.
• The ringer volume is set to
off.
• A flexible button on the PT
has not been programmed
to select an outside (CO)
line.
• There may be something
wrong with the DTMF
receiver.
SOLUTION
• When the headset is not used, set the
HANDSET/HEADSET selector to the
"HANDSET" position.
• Set to "HIGH" or "LOW".
• Only single line telephones (SLTs) can be
used during a power failure. Disconnect
the PT and connect an SLT.
• Programme the CO buttons. Refer to
"1.18.2 Flexible Buttons" in the Feature
Guide.
1.
Select "Enable" for DTMF receiver 1 and
"Disable" for DTMF receiver 2 through
system programming, "DTMF Receiver
Check [107]".
2.
Try to make a call using a tone-type SLT
connected to one of extension jacks 01–
08.
3.
If you cannot make the call, the problem
may have been caused by DTMF receiver
1. If the call can be made, go to step 4.
4.
Try DTMF receiver 2. Select "Disable" for
DTMF receiver 1 and "Enable" for DTMF
receiver 2 through system programming,
"DTMF Receiver Check [107]", and make
another call. If you cannot make the call,
the problem may have been caused by
DTMF receiver 2. If the call can be made,
go to step 5.
5.
Check the other 4 DTMF receivers the
same way through "DTMF Receiver Check
[107]" in system programming.