AT&T MLC-6 manual No ring on incoming Out of range Move closer to base

Symptom	Possible Causes	Possible Solutions
No ring on incoming	Out of range.	Move closer to base.
call, or handset makes	Retractable antenna	Fully extend telescoping
hissing sounds.
	not fully extended.	antennas on base and
		handset.
	If you have more	Place correct handset
	than one MLC-6,	in base for at least 10
	wrong handset	seconds.
	placed in base.
	System is program-	Reprogram extension
	med so line does not	so the line rings (see
	ring at extension.	system documentation).
Battery pack goes	Power outage or	Plug base into an outlet
dead when handset is	base is unplugged.	not controlled by a
in base.		switch.
Charge light doesn’t	Battery contacts	Rub battery contacts
come on when	need cleaning.	lightly with a soft
handset is in base.		eraser. Be sure battery
		contacts on handset
		touch contacts on base.
	Base not powered.	Plug base into outlet not
		controlled by switch.
Handset doesn’t	Recent occurrence	Remove handset from
respond to repeated	of lightning or strong	base and then replace
button presses.	electrical interfer-	for 10 seconds; or
	ence.	Unplug base from AC
		wall outlet for one
		minute, plug back into
		outlet, and place
		handset on base for 10
		seconds; or
		Unplug line cord from
		base for one minute,
		then reconnect it; or
		Remove handset
		battery pack for one
		minute, replace, and
		then place handset on
		base for 10 seconds.

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