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Error messages
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
Display message Cause/solution
Memory Full L The phonebook memory is full. Erase unwanted entries (page 14).
Problem Cause/solution
The handset does not turn on even
after installing charged batteries.
L Place the handset on the base unit or charger to turn
on the handset.
The unit does not work. L Make sure the batteries are installed correctly (page
8).
L Fully charge the batteries (page 9).
L Check the connections (page 8).
L 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.
L Remove the batteries from the handset and install
again.
L The handset has not been registered to the base
unit. Register the handset (page 28).
The handset display is blank. L The handset is not turned on. Turn the power on
(page 11).
I cannot hear a dial tone. L Make sure that you are using the supplied telephone
line cord. Your old telephone line cord may have a
different wiring configuration.
L The base unit’s AC adaptor or telephone line cord is
not connected. Check the connections.
L 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 intercom feature. L This feature is available between the handsets.
Although the handset displays “Intercom”, this
feature is not available for single handset models.
TGB21xBX_UE(en).book Page 25 Friday, May 30, 2014 11:54 AM