Panasonic KX-TS840MX operating instructions Troubleshooting, General use Problem Cause/solution

Useful Information

Troubleshooting

General use

Problem	Cause/solution
The unit does not work.	R Check the connections (page 7).
The unit does not ring.	R The RINGER selector is set to OFF. Set to HIGH
	or LOW (page 9).
	R Make sure the unit is not in programming mode.
You cannot dial.	R Check the dial tone. If there is no dial tone, check
	the connections (page 7).
	R The dialing mode may be set incorrectly. Change
	the settings (page 7).
	R Dial lock is turned on. To turn it off, see page 10.
	R MPROGRAMN or M DIAL LOCK/EXITN may have
	been pressed. Hang up the handset and try again.
The other party suddenly	R MMUTEN may have been pressed during the
cannot hear your voice	conversation.
during a conversation.	To cancel, press MMUTEN again (page 9).
Both party suddenly	R MPROGRAMN or M DIAL LOCK/EXITN may have
cannot hear each other	been pressed. It will cause status indicator to
during a conversation.	double flashing. Press M DIAL LOCK/EXITN to exit.
You cannot store a phone	R Confirm the handset is off the cradle.
number in memory.	R Do not enter the phone number more than 32
	digits long, or the entered number and the
	previously stored number will be cleared.
	R When using the dial lock (page 10) or call
	restriction (page 15), you cannot store emergency
	number in the MEMERGENCYN.
Status indicator is keep	R The unit is in programming mode. If it is left for
blinking.	over 60 seconds, busy tone will be heard.
	To exit:
	– place the handset on the cradle if using handset.
	– press MSP-PHONEN if using the speakerphone.
How to exit the program	R Place the handset on the cradle or press
setting?	MSP-PHONEN.

20