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Problem Cause/solution
I cannot register a
handset to a base unit.
R The maximum number of handsets (6) is already registered to
the base unit. Cancel unused handset registrations from the
base unit (page 29).
R You entered the wrong PIN. If you forget your PIN, contact an
authorised service centre.
Battery recharge
Problem Cause/solution
The handset beeps and/
or
flashes.
R Battery charge is low. Fully charge the batteries (page 10).
I fully charged the
batteries, but
–
still flashes or
– the operating time
seems to be shorter.
R Clean the battery ends ( , ) and the charge contacts with a
dry cloth and charge again.
R It is time to replace the batteries (page 9).
Making/answering calls, intercom
Problem Cause/solution
is displayed.
R The handset is too far from the base unit. Move closer.
R The base unit’s AC adaptor is not properly connected.
Reconnect AC adaptor to the base unit.
R The handset is not registered to the base unit. Register it
(page 29).
R Activating one touch eco mode reduces the range of the base
unit in standby mode. If required, turn eco mode off (page 14).
Noise is heard, sound
cuts in and out.
R You are using the handset or base unit in an area with high
electrical interference. Re-position the base unit and use the
handset away from sources of interference.
R Move closer to the base unit.
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.
Sound quality seems to
be getting worse.
R You have registered a handset that is not recommended
(page 4). The clearest sound quality is only possible by
registering the recommended handset.
The handset does not
ring.
R The ringer volume is turned off. Adjust ringer volume (page 15,
23).
R Night mode is turned on. Turn it off (page 27).
The base unit does not
ring.
R The ringer volume is turned off. Adjust ringer volume (page 23).
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Useful Information
TG786xAL(en)_0111_ver002.pdf 44 2013/01/11 11:36:22