Useful Information37Error 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).Failed L Phonebook copy failed (page 19). Confirm the otherhandset (the receiver) is in standby mode and tryagain.Incomplete L The receiver’s phonebook memory is full. Erase theunnecessary phonebook entries from the otherhandset (the receiver) and try again.Memory Full L The phonebook memory is full. Erase unnecessaryentries (page 19).L The call barred list memory is full. Erase unnecessaryentries (page 28).L The maximum number of base units (4) is alreadyregistered to the handset. Cancel unused base unitregistrations from the handset (page 29).Use rechargeablebattery.L A wrong type of battery such as Alkaline orManganese was inserted. Use only the rechargeableNi-MH batteries noted on page 3, 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.TG7511CX(e).book Page 37 Wednesday, March 24, 2010 8:41 AM