Panasonic KX-TG7521BX Operating Instructions Manual

Useful Information48TroubleshootingIf 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 useProgrammable settingsProblem Cause/solutionThe handset does notturn on even afterinstalling chargedbatteries.L Place the handset on the base unit or charger to turnon the handset.The unit does notwork.L Make sure the batteries are installed correctly (page8).L Fully charge the batteries (page 8).L Check the connections (page 8).L Unplug the base unit’s AC adaptor to reset the unit andturn off the handset. Reconnect the adaptor, turn onthe handset and try again.L The handset has not been registered to the base unit.Register the handset (page 30).I cannot hear a dialtone.L Make sure that you are using the supplied telephoneline cord. Your old telephone line cord may have adifferent wiring configuration.L The base unit’s AC adaptor or telephone line cord isnot connected. Check the connections.L Disconnect the base unit from the telephone line andconnect the line to a known working telephone. If theworking telephone operates properly, contact ourservice personnel to have the unit repaired. If theworking telephone does not operate properly, contactyour service provider/telephone company.I cannot use theintercom orphonebook copyfeature.L These features are shared between the handsets.Although the handset displays “Intercom”, “CopyAll”, or “Copy”, these features are not available forthis model.Problem Cause/solutionThe display is in alanguage I cannotread.L Change the display language (page 13).TG7511_7521BX(e).book Page 48 Tuesday, June 15, 2010 2:10 PM