TroubleshootingIf you still have difficulties after following the instructions in this section, disconnect the base unit’sAC adaptor, then reconnect the base unit’s AC adaptor. Remove the batteries from the handset,and then insert them into the handset again.General useProblem Cause/solutionThe handset does not turn oneven after installing chargedbatteries.R Place the handset on the base unit or charger to turn onthe handset.The unit does not work. R Make sure the batteries are installed correctly (page 9).R Fully charge the batteries (page 10).R Check the connections (page 9).R Unplug the base unit’s AC adaptor to reset the unit.Reconnect the adaptor and try again.R The handset has not been registered to the base unit.Register the handset (page 39).I cannot hear a dial tone. R The base unit’s AC adaptor or telephone line cord is notconnected. Check the connections.R Disconnect the base unit from the telephone line andconnect the line to a known working telephone. If theworking telephone operates properly, contact our servicepersonnel to have the unit repaired. If the workingtelephone does not operate properly, contact your phoneservice provider.The base unit beeps. R New messages have been recorded. Listen to the newmessages (page 44).Menu listProblem Cause/solutionThe display is in a language Icannot read.R Change the display language (page 13).I cannot register a handset to abase unit.R The maximum number of handsets (6) is alreadyregistered to the base unit. Cancel unused handsetregistrations from the base unit (page 39).Battery rechargeProblem Cause/solutionThe handset beeps and/orflashes.R Battery charge is low. Fully charge the batteries (page 10).54 For assistance, please visit www.panasonic.com/supportUseful InformationTGF34x_en_1201_ver043.pdf 54 2014/12/01 16:22:20