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Problem Cause/solution
The handset does not
ring.
R The ringer volume is turned off. Adjust ringer volume (page 17).
R Night mode is turned on. Turn it off (page 30).
The base unit does not
ring.
R The ringer volume is turned off. Adjust ringer volume (page 26).
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 18).
R The unit is not designed to be used with rotary/pulse dialling
services.
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 socket.
R If you use a DSL/ADSL service, we recommend connecting a
filter (contact your DSL/ADSL service provider) to the telephone
line between the base unit and the telephone line socket.
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” (page 26).
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 26).
Answering system
Problem Cause/solution
The unit does not record
new messages.
R The answering system is turned off. Turn it on (page 37).
R The message memory is full. Erase unwanted messages
(page 38).
R The recording time is set to “Greeting Only”. Change the
setting (page 41).
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 41).
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Useful Information
TG816xAL(e)_0131_ver001.pdf 50 2012/01/31 20:20:21