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Troubleshooting
If you still have difficulties after following the instructions in this section, disconnect the base unit’s
AC adaptor and turn off the handset, then reconnect the base unit’s AC adaptor and turn on the
handset.
General use
Problem Cause/solution
The handset does not turn
on even after installing
charged batteries.
R Place the handset on the base unit or charger to turn on the
handset.
The unit does not work. R Make sure the batteries are installed correctly (page 8).
R Fully charge the batteries (page 9).
R Check the connections (page 8).
R Unplug the base unit’s AC adaptor to reset the unit and turn off
the handset. Reconnect the adaptor, turn on the handset and
try again.
R The handset has not been registered to the base unit. Register
the handset (page 47).
The handset display is
blank.
R The handset is not turned on. Turn the power on (page 12).
I cannot hear a dial tone. R Make sure that you are using the supplied telephone line cord.
Your old telephone line cord may have a different wiring
configuration.
R The base unit’s AC adaptor or telephone line cord is not
connected. Check the connections.
R Disconnect 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.
I cannot use the Smart
Function Key even if the
NR indicator is flashing
slowly.
R Another unit is in use. Wait and try again later.
R The key lock feature is turned on. Turn it off (page 17).
I cannot use the intercom
feature.
R This feature is available between the handsets. Although the
handset displays “Intercom”, this feature is not available for
single handset models.
The base unit beeps. R New messages have been recorded. Listen to the new
messages (page 33).
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Useful Information
TG68xxSA(en)_0619_ver011.pdf 44 2013/06/19 17:43:18