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Self-help in case of trouble
If, on occasion, your telephone does not do as you wish, first try to remedy the problem
with the help of the following chart.
Caution: Always have repairs carried out by your dealer. Never take your telephone apart
yourself.
Appendix
Problem
Possible cause
Corrective action
No dial tone.
Telephone connecting lead
Pull them out and
and/or plug-in power supply
plug them in again.
unit not correctly plugged in.
No ringing tone
Type of line (operation on
If operated on a PBX,
after dialing.
a PBX) incorrectly set.
your telephone must be
set to the correct type of
line.
No dial tone,
Your telephone is set to call
Deactivate call forwarding.
but instead a dual tone
forwarding.
(high/low).
Telephone not ringing.
Ringing tone is off (ringing
Switch ringing tone volume
tone volume = 0) or "Do not
back on or deactivate "Do
disturb" is activated.
not disturb".
Person at other end of
Handset cable not correctly
Check handset cable
line cannot hear you.
plugged in or microphone
or press microphone mute
mute key activated.
key.
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