Useful Information45Error messagesIf the unit detects a problem, one of the following messages is shown on the display.*1 KX-TG6521/KX-TG6531/KX-TG6551 series: page 3Display message Cause/solutionBase no powerorNo link. Re-connectbase 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 beencancelled. Re-register the handset (page 29).Busy L The called 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.Call service providerfor your access #L You have not stored the Voice Mail accessnumber. Store the number (page 41).Check tel line L The supplied telephone line cord has not beenconnected yet or not connected properly.Check the connections (page 10).Error!! L Recording was too short. Try again. *1Invalid 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 29).Requires subscriptionto Caller ID.L You must subscribe to a Call Display service.Once you receive caller information aftersubscribing to a Call Display service, thismessage will not be displayed.Use rechargeablebattery.L A wrong type of battery such as Alkaline orManganese was inserted. Use only therechargeable Ni-MH batteries noted on page5, 8.TG65xxC(e).book Page 45 Friday, January 15, 2010 2:06 PM