4.1 Troubleshooting4.1.1 TroubleshootingTroubleshootingProblem RemedyThe telephone does not work properly. • Confirm with your manager that your set-tings are correct.• If the problem persists, consult your dealer.The telephone does not respond when buttons arepressed.• The telephone is locked.Unlock your telephone. ( 1.6.4 Pre-venting Other People from Using Your Tele-phone (Extension Dial Lock), 2.1.1 ExtensionControl)• Your telephone is connected to an eXtra De-vice Port.System programming is required. Consultyour dealer.Some features do not work. • System management may restrict certain fea-tures.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 a propri-etary telephone.• The Intercom line was not seized. The seizedline, when going off-hook, was changed by per-sonal setting. ( 3.1.2 Settings on the Pro-gramming Mode)In the manual, going off-hook means an In-tercom line is seized.If the setting has been changed, press the IN-TERCOM or PDN button after going off-hook andfollow 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-touch dial-ling, forwarding destination, etc.)• The extension line has been changed. Theprevious telephone’s settings have not beencleared.Clear the settings and then programme yourdesired settings again. ( 1.8.13 ClearingFeatures Set at Your Extension (Extension Fea-ture Clear), 3.1.1 Customising Your Phone (Per-sonal Programming), 3.1.3 Customising the But-tons)220 User Manual4.1.1 Troubleshooting
