4.1 Troubleshooting134 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. ( 1.5.3 Extension DialLock, 2.1.1 Extension Control)Some features do not work. • System management may restrict certain features.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 seized line,when going off-hook, was changed by personalsetting. ( 3.1.2 Settings on the ProgrammingMode)In the manual, going off-hook means an Intercomline is seized.If the setting has been changed, press the INTERCOMbutton after going off-hook and follow the instructions.The telephone does not work using thepersonal settings or with other settings.(One-touch dialing, forwardingdestination, etc.)• The extension line has been changed. The previoustelephone's settings have not been cleared.Clear the settings and then program your desiredsettings again. ( 1.7.9 Extension Feature Clear,3.1.1 Personal Programming, 3.1.3 Customizing theButtons)My proprietary telephone does not havea feature button.• Some models do not have the feature button.Change a flexible button to the desired button.( 3.1.3 Customizing the Buttons)Enter the specified feature number instead of thefeature button. ( 1.1.1 Before Operating theTelephones)