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48
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
Programmable settings
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 8).
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 The handset has not been registered to the base unit.
Register the handset (page 30).
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 or
phonebook copy
feature.
L These features are shared between the handsets.
Although the handset displays “Intercom”, “Copy
All”, or “Copy”, these features are not available for
this model.
Problem Cause/solution
The display is in a
language I cannot
read.
L Change the display language (page 13).
TG7511_7521BX(e).book Page 48 Tuesday, June 15, 2010 2:10 PM