Useful Information44 For assistance, please visit http://www.panasonic.com/helpError messagesIf the unit detects a problem, one of the following messages is shown on the display.Display message Cause/solutionBusyorSystem is busy. Pleasetry again later.L The called handset or base unit is in use.L Other units are in use and the system is busy.Try again later.L The handset you are using is too far from thebase unit. Move closer and try again.L The handset’s registration may have beencanceled. Re-register the handset (page 28).Check tel line L The supplied telephone line cord has not beenconnected yet or not connected properly.Check the connections (page 12).Don’t use this battery. L A wrong type of batteries such as Alkaline orManganese was inserted. Use only therechargeable Ni-MH batteries noted on page6, 13.Error!! L The handset’s registration has failed. Movethe handset and base unit away from allelectrical appliances and try again.Insert battery L The handset was placed on the base unit orcharger without batteries. Insert the batteriesproperly (page 13).Invalid L There is no handset registered to the baseunit matching the handset number youentered.L The handset is not registered to the base unit.Register the handset (page 28).No link to base.Reconnect AC adaptor.L The handset has lost communication with thebase unit. Move closer to the base unit and tryagain.L Unplug the base unit’s AC adaptor to reset theunit. Reconnect the adaptor and try again.L The handset’s registration may have beencanceled. Re-register the handset (page 28).Phonebook full L The phonebook memory is full. Eraseunnecessary entries (page 21).Store VM access# L You have not stored the voice mail accessnumber. Store the number (page 38).