5.2 Troubleshooting5.2.1 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.( 1.6.3 Preventing Other People fromUsing Your Telephone (Extension Dial Lock),2.1.1 Extension Control)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. ( 1.9.11 Settingthe Parallelled Telephone to Ring (ParallelledTelephone))My proprietary telephone does not have a featurebutton.• Some models do not have the featurebutton.Change a flexible button to the desiredbutton. ( 3.1.3 Customising the Buttons)Enter the specified feature number insteadof the feature button. ( 1.1.5 BeforeOperating the Telephones)User Manual 3535.2.1 Troubleshooting