Panasonic KX-WT125 Operating Instructions Manual page 70

Troubleshooting and Error Messages
Problem
"No Service"
is displayed, and
beep tones are
heard.
The CO Status
does not appear.
The CO Status
Display is not
displayed in
standby mode or
when receiving a
call as a member
of a PS ring
group.
• Single CO
numbers are
not displayed
on the soft
keys.
• Single CO
numbers are
not displayed
on the Line
menu.
70
Possible Cause
The handset is out of
range.
The CS or PBX is out of
service.
• The software version of
the PBX/CS/card does
not support this feature.
• The "CO Status Display
in Standby" setting on
the PBX is not enabled.
• The Single CO line
registered in the "Single
CO Appearance" setting
on the PBX is not valid.
• The "CO Status Disp"
setting in "Setting
Handset" is set to
"Off".
(See "Display Option"
on page 62.)
Solution
Move closer to the CS or try
again later.
Consult your dealer.
Consult your dealer.