Problem Cause/solutionI cannot hear a dial tone. R Make sure that you are using the supplied telephone line cord.Your old telephone line cord may have a different wiringconfiguration.R The base unit’s AC adaptor or telephone line cord is notconnected. Check the connections.R Disconnect the base unit from the telephone line and connectthe line to a known working telephone. If the workingtelephone operates properly, contact our service personnel tohave the unit repaired. If the working telephone does notoperate properly, contact your service provider/telephonecompany.I cannot use the intercomor phonebook copy feature.R These features are available between the handsets. Althoughthe handset displays “Intercom”, “Copy All”, or “Copy”,these features are not available for single handset models.Programmable settingsProblem Cause/solutionThe display is in alanguage I cannot read.R Change the display language (page 11).I cannot activate the ecomode.R You cannot set eco mode when you set the repeater mode“On”. If required, set the repeater mode to “Off” (page 19).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 flashing. 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 29).R Activating one touch eco mode reduces the range of the baseunit in standby mode. If required, turn eco mode off (page 12).27Useful InformationTG2711_13SA(en)_0927_ver001.pdf 27 2012/09/27 12:18:21