Problem Cause/solution
I cannot hear a dial tone. RThe base unit’s AC adaptor or telephone line cord is not
connected. Check the connections.
RDisconnect the base unit from the telephone line and
connect the line to a known working telephone. If the
working telephone operates properly, contact our service
personnel to have the unit repaired. If the working telephone
does not operate properly, contact your service provider/
telephone company.
The indicator on the handset flashes
slowly.
RNew messages have been recorded. Listen to the new
messages (page 32).
RNew voice mail messages have been recorded. Listen to the
new voice mail messages (page 36).
The receiver volume is changed to
level 4 (default), even though I set it
to level 5 (maximum level).
RThe receiver volume returns to level 4 after you hang up.
Press MjN or MkN to adjust the volume every time or as
needed.
Programmable settings
Problem Cause/solution
The display is in a language I cannot
read.
RChange the display language (page 12).
I cannot register a handset to a base
unit.
RThe maximum number of handsets (6) is already registered
to the base unit. Cancel unused handset registrations from
the base unit (page 27).
Battery recharge
Problem Cause/solution
The handset beeps and/or flashes. RBattery charge is low. Fully charge the batteries (page 8).
I fully charged the batteries, but
still flashes,
is displayed, or
the operating time seems to be
shorter.
RClean the battery ends ( , ) and the charge contacts
with a dry cloth and charge again.
RIt is time to replace the batteries (page 8).
Making/answering calls, intercom
Problem Cause/solution
is displayed. RThe handset is too far from the base unit. Move closer.
RThe base unit’s AC adaptor is not properly connected.
Reconnect AC adaptor to the base unit.
RThe handset is not registered to the base unit. Register it
(page 27).
Noise is heard, sound cuts in and out. RYou are using the base unit or handset in an area with high
electrical interference. Re-position the base unit and use the
handset away from sources of interference.
RMove closer to the base unit.
RIf you use a DSL/ADSL service, we recommend connecting
a DSL/ADSL filter between the base unit and the telephone
line jack. Contact your DSL/ADSL provider for details.
42 For assistance, please visit http://www.panasonic.com/help
Useful Information
TG477x(en-en)_1130_ver021.pdf 42 2011/11/30 15:57:56