82If the Following Appear on Your Display...The following will be displayed on the handset when the unit needs your attention.Display message Cause & RemedyRecharge battery • The battery needs to be charged. Recharge thebattery (p. 14).Charge for 6 HRS • The battery has been discharged. The handset willnot work. Fully charge the battery (p. 13).No link to base.Move closer tobase and tryagain.• The handset has lost communication with the baseunit. Walk closer to the base unit, and try again.• Confirm the base unit’s AC adaptor is plugged in.• Raise the base unit antennas.• The handset’s registration may have been canceled.Re-register the handset (p. 80, 81).Please lift upand try again.• A handset button was pressed while the handset wason the base unit or charger (for KX-TG5243 oraccessory handset users, p. 3). Lift the handset andpress the button again.Busy • The called base unit or handset is in use.• Privacy mode is on for the call you tried to join (p. 56).• The handset you tried to send phone book items to isin use.• The handset you are calling is too far from the base unit.Invalid • The called handset has not been registered to thebase unit.• You selected your own extension number.Error!!• When you tried to register or deregister the handset,the handset and base unit could not link for somereason, such as interference from electricalappliances. Move the handset and base unit awayfrom any electrical appliances and try again.• If more than one handset is in use, you may not beable to register/deregister. Try again later.• Another handset tried to send phone book items toyou but copying stopped. Have the other handsetuser re-send the items to you (p. 44, 45).System is busy.Please try againlater.• If more than one other user is using the handset and/or base unit, such as conducting outside/intercomcalls or listening to messages, you may not be able touse the handset. Try again later.• The Answering System is in use (answering a call orplaying back messages). Try again later.• The handset has lost communication with the baseunit. Walk closer to the base unit and try again.