Useful InformationFor assistance, please visit http://www.panasonic.com/phonehelp 69TroubleshootingGeneral useProgrammable settingsBattery rechargeProblem Cause/solutionThe unit does not work. L Make sure the battery is installed correctly and fullycharged (page 14).L Check the connections (page 13).L Unplug the base unit’s AC adaptor to reset the unit.Reconnect the adaptor and try again.L The handset has not been registered to the base unit.Register the handset (page 65).I cannot hear a dial tone. L Confirm the telephone line cord is properly connected(page 13).L Disconnect the unit from the telephone line and connecta known working telephone. If the working telephoneoperates properly, contact our service personnel tohave the unit repaired. If the working telephone doesnot operate properly, contact your telephone serviceprovider.Problem Cause/solutionI cannot program items. L While another user is listening to messages, you cannotprogram items. Try again later.While programming, thehandset starts to ring.L A call is being received. Answer the call and start againafter hanging up.Problem Cause/solutionI fully charged the battery,but 3 continues toflash, or 4 isdisplayed.L Clean the charge contacts and charge again (page 15).L The battery may need to be replaced with a new one(page 14).The handset display isblank.L Confirm that the battery is properly installed.L Fully charge the battery (page 15).