4.1 Troubleshooting178 User Manual4.1 Troubleshooting4.1.1 TroubleshootingTroubleshootingProblem RemedyThe telephone does not work properly. • Consult your dealer.I cannot use the telephone. • The telephone is locked.Unlock your telephone. ( 1.5.3Preventing Other People from Using YourTelephone (Extension Lock), 2.1.1 ExtensionControl)• 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 manualinstructions, none of the operationswork when using a proprietarytelephone.• 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 button after going off-hook andfollow the instructions.The parallelled single line telephones donot ring.• "No ring" may be selected.Change the setting to ring. ( 1.7.11 Settingthe Parallelled Telephone to Ring (ParallelledTelephone))The telephone does not work using thepersonal settings or with other settings.(One-touch dialling, forwardingdestination, etc.)• The extension line has been changed. Theprevious telephone’s settings have not beencleared.Clear the settings and then programmeyour desired settings again. ( 1.7.13Clearing Features Set at Your Extension(Extension Feature Clear), 3.1.1 CustomisingYour Phone (Personal Programming), 3.1.3Customising the Buttons)
