Problem Cause/solutionI cannot register a handsetto a base unit.R The maximum number of handsets (6) is already registered tothe base unit. Cancel unused handset registrations from thebase unit (page 27).R You entered the wrong PIN. If you forget your PIN, contact anauthorised service centre.Battery rechargeProblem Cause/solutionThe handset beeps and/orflashes.R Battery charge is low. Fully charge the batteries (page 8).I fully charged thebatteries, but– still flashes or– the operating timeseems to be shorter.R Clean the battery ends ( , ) and the charge contacts witha dry cloth and charge again.R It is time to replace the batteries (page 8).Making/answering calls, intercomProblem Cause/solutionis displayed. R The handset is too far from the base unit. Move closer.R The base unit’s AC adaptor is not properly connected.Reconnect AC adaptor to the base unit.R The handset is not registered to the base unit. Register it(page 27).R Activating one touch eco mode reduces the range of the baseunit in standby mode. If required, turn eco mode off (page 13).Noise is heard, sound cutsin and out.R You are using the handset or base unit in an area with highelectrical interference. Re-position the base unit and use thehandset away from sources of interference.R Move closer to the base unit.R If you use a DSL/ADSL service, we recommend connecting aDSL/ADSL filter between the base unit and the telephone linejack. Contact your DSL/ADSL provider for details.Sound quality seems to begetting worse.R You have registered a handset that is not recommended(page 4). The clearest sound quality is only possible byregistering the recommended handset.The handset does not ring. R The ringer volume is turned off. Adjust ringer volume (page 15).R Night mode is turned on. Turn it off (page 25).I cannot make a call. R The dialling mode may be set incorrectly. Change the setting(page 12).R You dialled a call restricted number (page 26).R The key lock feature is turned on. Turn it off (page 17).37Useful Information