TroubleshootingIf you still have difficulties after following the instructions in this section, disconnect the base unit’sAC adaptor and turn off the handset, then reconnect the base unit’s AC adaptor and turn on thehandset.General useProblem Cause/solutionThe handset does not turnon even after installingcharged batteries.R Place the handset on the base unit or charger to turn on thehandset.The unit does not work. R Make sure the batteries are installed correctly (page 10).R Fully charge the batteries (page 11).R Check the connections (page 10).R Unplug the base unit’s AC adaptor to reset the unit and turn offthe handset. Reconnect the adaptor, turn on the handset andtry again.R The handset has not been registered to the base unit. Registerthe handset (page 32).The handset display isblank.R The handset is not turned on. Turn the power on (page 14).I cannot hear a dial tone. R Make sure that you are using the supplied telephone line cord.Your old telephone line cord may have a different wiringconfiguration.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 and connectthe line to a known working telephone. If the workingtelephone operates properly, contact our service personnel tohave the unit repaired. If the working telephone does notoperate properly, contact your service provider/telephonecompany.I cannot use the SmartFunction Key even if theNR indicator is flashingslowly.R Another unit is in use. Wait and try again later.R The key lock feature is turned on. Turn it off (page 19).The base unit beeps. R New messages have been recorded. Listen to the newmessages (page 37).Programmable settingsProblem Cause/solutionThe display is in alanguage I cannot read.R Change the display language (page 14).48Useful Information