5.1 Troubleshooting246 Appendix5.1 TroubleshootingProblem RemedyThe telephone does not work properly. • The wiring is wrong.Check the wiring.I cannot use the telephone. • The telephone is locked.Unlock your telephone. ( "To lock" in"2.5.4 Preventing Other People from Making OutsideCalls Using Your Telephone (Electronic Station Lockout),""3.1.4 Changing the Settings (Station Programming)")• Your telephone is connected to an EXtra Device Port.System Programming is required. Consult your dealer.Some features do not work. • System management may restrict certain features.Consult your System Manager.• The feature numbers have changed.Confirm the revised number and try again.Even though following the manualinstructions, none of the operations workwhen using a Proprietary Telephone.• The Intercom line was not seized. The seized line, whengoing off-hook, was changed by personal setting. ("4.1.1 Initial Settings")In the manual, going off-hook means an Intercom lineis seized.If the setting has been changed, press the INTERCOM /PDN button after going off-hook and follow theinstructions.The parallelled Single Line Telephonesdo not ring.• This is the default setting.Change the setting to ring. ( "2.7.13 Setting theParallel Connected Telephone Ringer (ParallelledTelephone Connexion)")The telephone does not work using thepersonal settings or with other settings.(One-Touch dialling, forwardingdestination, etc.)• The extension line has been changed. The previoustelephone's settings have not been cleared.Clear the settings and then programme your desiredsettings again. ( "2.7.14 Clearing the FeatureSettings at Your Extension (Station Programme Clear),"To clear all settings" in "4.1.1 Initial Settings," "To clearthe button data" in "4.1.2 Customising the Buttons")My Proprietary Telephone does not havea function button.• Some models do not have the function button.Change a flexible button to the desired button.( "4.1.2 Customising the Buttons")Enter the specified feature number instead of thefunction button. ( "Feature Numbers" in "2.1 BeforeOperating the Telephones")