Useful Information39TroubleshootingIf you still have difficulties after following the instructions in this section, disconnectthe base unit’s AC adaptor and turn off the handset, then reconnect the base unit’sAC adaptor and turn on the handset.General useProblem Cause/solutionThe handset does notautomatically turn on afterinstalling/replacing batteries.L The battery is empty or too weak to turn on thepower. Place the handset on the base unit orcharger, and let it charge.The unit does not work. L Make sure the batteries are installed correctly(page 8).L Fully charge the batteries (page 8).L Check the connections (page 8).L Unplug the base unit’s AC adaptor to reset theunit and turn off the handset. Reconnect theadaptor, turn on the handset and try again.L The handset has not been registered to thebase unit. Register the handset (page 23).I cannot hear a dial tone. L Make sure that you are using the suppliedtelephone line cord. Your old telephone linecord may have a different wiring configuration.L The base unit’s AC adaptor or telephone linecord is not connected. Check the connections.L If you are using a splitter to connect the unit,remove the splitter and connect the unit to thewall jack directly. If the unit operates properly,check the splitter.L Disconnect the base unit from the telephoneline and connect the line to a known workingtelephone. If the working telephone operatesproperly, contact our service personnel tohave the unit repaired. If the workingtelephone does not operate properly, contactyour service provider/telephone company.TG6411-6421BX(e).book Page 39 Monday, April 27, 2009 3:13 PM