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Useful Information
Before Requesting Help
“
Problem
“No link to base.
Place on cradle and
try again.” is displayed
and an alarm tone sounds.
The unit does not work.
Static, sound cuts in/out,
fades. Interference from
other electrical units.
The handset does not ring.
The handset display is
blank.
Cause and Remedy
≥You are too far from the base unit. Move
closer and try again.
≥Place the handset on the base unit and
try again.
≥Plug in the AC adaptor.
≥Raise the base unit antenna.
≥Check the settings (p. 10–13).
≥Charge the battery fully (p. 11).
≥Clean the charge contacts and charge
again (p. 12).
≥Install the battery properly (p. 11, 49).
≥Place the handset on the base unit and
unplug the AC adaptor to reset. Plug in,
and try again.
≥KX-TC1851ALB and KX-TC1851NZB
are not designed to be used with rotary
(pulse dialling) services.
≥Locate the handset and the base unit
away from other electrical appliances
(p. 3).
≥Move closer to the base unit.
≥Raise the base unit antenna.
≥Press (FUNCTION/EXIT/CH) to select a
clearer channel.
≥The ringer volume is set to OFF. Set to
HIGH or LOW (p. 16).
≥If the line is connected to a low voltage
system such as a PBX, the unit may not
ring. Set the line mode to “B” (p. 13).
≥The handset is in the standby mode
(p. 12). Press (›), (‹), BACK (fi) or
FWD/EDIT (fl) to turn the display on.