Useful Information40Error messagesIf the unit detects a problem, one of the following messages is shown on the display.Display message Cause/solutionBase no powerorNo link to base.Reconnect mainbase AC adaptor.L The handset has lost communication with the baseunit. Move closer to the base unit and try again.L Unplug the base unit’s AC adaptor to reset the unit.Reconnect the adaptor and try again.L The handset’s registration may have been cancelled.Re-register the handset (page 29).Check Phone Line L The supplied telephone line cord has not beenconnected yet or not connected properly. Check theconnections (page 8).Invalid Number L You tried to send an SMS message to a phone numbersaved in the phonebook, caller list, or redial list that isover 20 digits long.Memory Full L The phonebook memory is full. Erase unwantedentries (page 19).L The call barred list memory is full. Erase unwantedentries (page 28).L The maximum number of base units (4) is alreadyregistered to the handset. Cancel unused base unitregistrations from the handset (page 30).Use rechargeablebattery.L A wrong type of battery such as Alkaline orManganese was inserted. Use only the rechargeableNi-MH batteries noted on page 4, 6.You must firstsubscribe toCaller ID.L You must subscribe to a Caller ID service. Once youreceive caller information after subscribing to a CallerID service, this message will not be displayed.TG8511_19BX(e).book Page 40 Thursday, July 8, 2010 5:44 PM