
Problem
Cause/solution
The handset does not
ring.
R
The ringer volume is turned off. Adjust ringer volume (page 17,
25).
R
Night mode is turned on. Turn it off (page 29).
The base unit does not
ring.
R
The ringer volume is turned off. Adjust ringer volume (page 25).
I cannot make a call.
R
You dialled a call restricted number (page 31).
R
The key lock feature is turned on. Turn it off (page 19).
Caller ID
Problem
Cause/solution
Caller information is not
displayed.
R
You must subscribe to a Caller ID service. Contact your service
provider/telephone company for details.
R
If your unit is connected to any additional telephone equipment,
remove and plug the unit directly into the wall jack.
R
If 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.
R
Other telephone equipment may be interfering with this unit.
Disconnect the other equipment and try again.
Caller information is slow
to display.
R
Depending on your service provider/telephone company, the
unit may display the caller’s information at the 2nd ring or later.
Set the first ring to
“
Off
”
R
Move closer to the base unit.
Time on the unit has
shifted.
R
Incorrect time information from incoming Caller ID changes the
time. Set the time adjustment to
“
Manual
”
(off) (page 25).
Answering system
Problem
Cause/solution
The unit does not record
new messages.
R
The answering system is turned off. Turn it on (page 36).
R
The message memory is full. Erase unwanted messages
(page 37).
R
The recording time is set to
“
Greeting Only
”
. Change the
setting (page 40).
R
If you subscribe to a voice mail service, messages are recorded
by your service provider/telephone company, not your
telephone. Change the unit’s number of rings setting or contact
your service provider/telephone company (page 40).
I cannot operate the
answering system
remotely.
R
The remote access code is not set. Set the remote access code
(page 39).
R
You are entering the wrong remote access code. If you have
forgotten your remote access code, enter the remote access
code setting to check your current code (page 39).
R
The answering system is turned off. Turn it on (page 39).
48
Helpline Tel. No.: U.K. 0344 844 3899 Ireland 01289 8333
Useful Information
TG78xx_79xxE(en)_0407_ver112.pdf 48
2015/04/07 11:32:52