Memorex MPH2430 operating instructions Troubleshooting Guide Caller ID

MPH2430.O/M.QXD 1/29/03 9:12 AM Page 46

TROUBLESHOOTING GUIDE (CALLER ID)

SYMPTOM	SOLUTION
The Caller ID LCD	Check the power connections.
panel is blank
	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	The Caller ID unit will not function until you have Caller
panel does not show	ID service provided by your local phone company. Call
the caller’s name and/	your local phone company to have Caller ID installed on
or phone number	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.
	If only the caller’s phone number appears on the display,
	it may be a Single Data Message Format (SDMF) call,
	as opposed to a Multiple Data Message Format (MDMF)
	call.
Random characters	On rare occasions, the Caller ID information sent by the
and/or “DATA ERROR”	telephone company may have an error during the
on the LCD panel	transmission. This is not the fault of your Caller ID unit.
Cannot erase call	The DEL/CHAN button must be pressed and held for at
records in memory	least two seconds.
Cannot get Call Waiting	Subscription to Caller ID Call Waiting (CIDCW) is
identification on the	required from your local phone company for the CIDCW
LCD panel	function to operate properly. Call your local phone
	company for details.

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