Useful Information42Error messagesIf the unit detects a problem, one of the following messages is shown on the display.Display message Cause/solutionBusy L The called unit is in use.L The handset you tried to copy phonebook itemsto is in use. Try again later. *1L The handset you are calling is too far from thebase unit.Error!! L The handset’s registration has failed. Move thehandset and base unit away from all electricalappliances and try again.L Another handset user tried to send phonebookitems to you but there was an error. Have theother handset user re-send the items to you(page 20). *1---Incomplete---Phonebook fullL The destination handset’s phonebook memory isfull. Erase unnecessary items from thedestination handset’s phonebook (page 20). *1Invalid L There is no handset registered to the base unitmatching the extension number you entered. *1No items stored L Your phonebook or redial list is empty.No link to base.Move closer to base,try again.L The handset has lost communication with thebase unit. Move closer to the base unit, and tryagain.L Confirm that the base unit’s AC adaptor isplugged in.L The handset’s registration may have beencancelled. Re-register the handset (page 47).Phonebook full L There is no space to store new items in thephonebook. Erase unnecessary items (page 20).Please lift up andtry again.L A handset button was pressed while the handsetwas on the base unit or charger. Lift the handsetand press the button again.System is busy.Please try againlater.L Other units are in use and the system is busy. Tryagain later.L Another user is listening to messages. Try againlater.L The handset’s registration may have beencancelled. Re-register the handset (page 47).