Useful Information58 For assistance, please visit http://www.panasonic.com/consumersupportError messagesIf the unit detects a problem, one of the following messages will be displayed on thehandset.Display message Cause & solutionBusy L The base unit user is listening to messages and cannotbe paged.Error!! L When you tried to register the handset, the handset andthe base unit could not link for some reason, such asinterference from electrical appliances. Move thehandset and the base unit away from the electricalappliances and try again.Invalid L You cannot rename the preset song.Memory full L There is no space in memory to record new songs.Erase unnecessary songs.No items stored L Your phonebook or redial list is empty.No link to base.Move closer tobase, try again.L The handset has lost communication with the base unit.Move closer to the base unit, and try again.L Confirm that the base unit’s AC adaptor is plugged in.L Raise the base unit antennas.L The handset’s registration may have been canceled.Re-register the handset (page 43).Not erasable L You cannot erase the preset song.Phonebook full L There is no space to store new items in the phonebook.Erase unnecessary items (page 24).Please lift up andtry again.L A handset button was pressed while the handset wason the base unit. Lift the handset and press the buttonagain.System is busy.Please try againlater.L The handset has lost communication with the base unit.Move closer to the base unit, and try again.L Another user is listening to messages. Try again later.