CALLER
ID
SYSTEM
TROUBLESHOOTING
TABLE
SYMPTOM
SOLUTION
The
Caller
ID
LCD
panel
is
blank
•
Check
the
power
connections.
•
Check
the
telephone
line
cord
connections.
•
Check
the
batteries
for
proper
installation.
•
The
handset
LCD
panel
will
only
start
displaying
information
after
the
first
call
is
received.
The
Caller
ID
LCD
panel
does
not
show
the
caller’s
name
and/or
phone
number
•
The
Caller
ID
unit
will
not
function
until
you
have
Caller
ID
service
provided
by
your
local
phone
company.
Call
your
local
phone
company
to
have
Caller
ID
installed
on
your
telephone
line.
•
Check
your
telephone
line
connections.
Make
sure
all
connections
are
secure
and
connected.
•
If
you
have
a
Telephone
Answering
Device
(TAD)
connected
with
the
unit,
set
the
TAD
to
answer
after
two
rings
or
more.
•
If
it
is
a
blocked
call
or
an
out
‐
of
‐
area
call,
the
caller’s
name
and/or
phone
number
will
not
appear
on
the
display.
Please
refer
to
the
“Receiving
Caller
ID
Information”
section
for
more
details.
•
If
only
the
caller’s
phone
number
appears
on
the
display,
it
may
be
a
Single
Data
Message
Format
(SDMF)
calls,
as
opposed
to
a
Multiple
Data
Message
Format
(MDMF)
calls.
Random
characters
and/or
“DATA
ERROR”
appear
on
the
LCD
panel.
•
On
rare
occasions,
the
Caller
ID
information
sent
by
the
telephone
company
may
have
an
error
in
the
transmission.
This
is
not
the
fault
of
your
Caller
ID
unit.
Cannot
get
Call
Waiting
identification
on
the
LCD
panel.
•
*
Subscription
to
Caller
ID
Call
Waiting
(CIDCW)
is
required
from
your
local
phone
company
for
the
CIDCW
function
to
operate
properly.
Call
your
local
phone
company
for
details.
THIS
SYMBOL
IS
INTENDED
TO
ALERT
THE
USER
OF
THE
PRESENCE
OF
IMPORTANT
OPERATING
AND
MAINTENANCE
(SERVICING)
INSTRUCTIONS
IN
THE
OWNER'S
MANUAL
.
AC
Adaptor
of
Base
Unit:
Use
only
with
Class
2
Power
Source,
6V
DC,
200mA
output.
AC
Adaptor
of
Charger
Unit:
Use
only
with
Class
2
Power
Source,
7.5V
DC,
100mA
output.
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