Useful Information33Error messagesTroubleshootingIf you still have difficulties after following the instructions in this section, disconnect the ACadaptor and turn off the handset, then reconnect the AC adaptor and turn on the handset.TelephoneError message Cause & solutionFailed L Phonebook copy failed. Confirm the other handset(the receiver) is in standby mode and try again.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 handset’s phonebook memory is full. Eraseunnecessary entries (page 16).You must first subscribeto Caller ID.L You must subscribe to Caller ID service. Once youreceive caller information after subscribing to CallerID service, this message will not be displayed.Problem Cause & solutionw is flashing. L The handset is not registered to the base unit.Register it (page 27).L The handset is too far from the base unit. Movecloser.L The AC adaptor is not connected. Check theconnections.L You are using the handset or base unit in an areawith high electrical interference. Place the handsetand base unit away from interference sources, suchas antennas and mobile phones.The handset display is blank. L The handset is in screen saver mode (page 10).Press {ih} to activate the handset display again.L The handset is not turned on. Turn the power on(page 10).The handset will not turn on. L Make sure that the batteries are installed correctly(page 9).L Fully charge the batteries (page 9).L Clean the charge contacts and charge again (page9).