4.1 Troubleshooting4.1.1 TroubleshootingTroubleshootingProblem RemedyThe telephone does not work properly. • Confirm with your manager that yoursettings are correct.• If the problem persists, consult your dealer.The telephone does not respond when buttonsare pressed.• The telephone is locked.Unlock your telephone. (1.6.4 Preventing Other People from UsingYour Telephone (Extension Dial Lock),2.1.1 Extension Control)• Your telephone is connected to an eXtraDevice Port.System programming is required. Consultyour dealer.Some features do not work. • System management may restrict certainfeatures.Consult your manager.• The feature numbers have changed.Confirm the revised number and try again.Even though following the manual instructions,none of the operations work when using aproprietary telephone.• The Intercom line was not seized. The seizedline, when going off-hook, was changed bypersonal setting. ( 3.1.2 Settings on theProgramming Mode)In the manual, going off-hook means anIntercom line is seized.If the setting has been changed, press theINTERCOM or PDN button after going off-hookand follow the instructions.The parallelled single line telephones do not ring. • "No ring" may be selected.Change the setting to ring. ( 1.8.11 Settingthe Parallelled Telephone to Ring (ParallelledTelephone))The telephone does not work using the personalsettings or with other settings. (One-touchdialling, forwarding destination, etc.)• The extension line has been changed. Theprevious telephone’s settings have not beencleared.Clear the settings and then programmeyour desired settings again. (1.8.13 Clearing Features Set at YourExtension (Extension Feature Clear),3.1.1 Customising Your Phone (PersonalProgramming), 3.1.3 Customising the Buttons)238 User Manual4.1.1 Troubleshooting