64
Problem Cause and Remedy
The unit does not
work. Check the settings (p. 9–14).
Unplug the AC adaptor and remove the
batteries to reset. Plug in and re-install the
batteries, and try again.
Other communication devices connected on
the same line may be interfering with your
unit.
Telephone line noise may be interfering with
your unit. Consult your telephone company.
The unit does not
ring. The ringer volume is set to OFF for the line.
Set to HIGH or LOW (p. 22).
You cannot dial. Check whether the dialing mode selection is
correct (p. 20).
Dial lock mode is set. To cancel the mode,
see page 57.
The dialed number is restricted. To cancel,
see page 59.
The line indicators do
not work properly. Check the settings (p. 9-14).
The other party
suddenly cannot hear
your voice during a
conversation.
[MUTE] may have been pressed during the
conversation. If “ ” and “[Mute]” are
displayed, press [MUTE].
You cannot program
function items. Programming is not possible when the
handset is off the cradle, the SP-PHONE/
HEADSET indicator lights, or when searching
the Caller List or the directory list.
Do not pause for over 60 seconds while
programming.
Troubleshooting