Useful Information44 For assistance, please visit http://www.panasonic.com/helpTroubleshootingIf you still have difficulties after following the instructions in this section, disconnectthe base unit’s AC adaptor, then reconnect the base unit’s AC adaptor. Remove thebatteries from the handset, and then insert the batteries into the handset again.General useProgrammable settingsProblem Cause/solutionThe handset does not turnon even after installingcharged batteries.L Place the handset on the base unit or charger toturn on the handset.The unit does not work. L Make sure the batteries are installed correctly(page 10).L Fully charge the batteries (page 10).L Check the connections (page 10).L Unplug the base unit’s AC adaptor to reset theunit. Reconnect the adaptor and try again.L The handset has not been registered to the baseunit. Register the handset (page 28).I cannot hear a dial tone. L The base unit’s AC adaptor or telephone line cordis not connected. Check the connections.L Disconnect the base unit from the telephone lineand connect the line to a known workingtelephone. If the working telephone operatesproperly, contact our service personnel to have theunit repaired. If the working telephone does notoperate properly, contact your service provider/telephone company.The indicator on thehandset flashes slowly.L New messages have been recorded. Listen to thenew messages (page 34).L New voice mail messages have been recorded.Listen to the new voice mail messages (page 39).Problem Cause/solutionThe display is in alanguage I cannot read.L Change the display language (page 13).I cannot register a handsetto a base unit.L The maximum number of handsets (6) is alreadyregistered to the base unit. Cancel unusedhandset registrations from the base unit (page 28).