User's Manual

090203A-1 25
B. CALLER ID SYSTEM TROUBLESHOOTING TABLE
SYMPTOM SOLUTION
The Caller ID panel
is blank
• Check the power connection.
• Check the telephone line cord connections.
• Check the batteries for proper installation.
The Caller ID 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.
• If you pick up the phone before the second ring, the caller
information will not be correctly received. If you have
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.
• If only the caller’s phone number appears on the display,
it may be Single Data Message Format(SDMF) call, as
opposed to a Multiple Data Message Format (MDMF)
call. Please call your local phone company to see which
service you have.
Random characters
and/or “NO DATA”
appear on the LCD
display
• 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. It can only
capture and store the data that was received.
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 you local phone
company for details.