Fixing problems 173Possible cause 2:If "Clear LED support" appears in the menu:you tried to program a station number without LED display or an external stationnumber on a key that is already programmed with an internal phone number withLED display.Possible reactions:Confirm "Clear LED support" to save the station number. The existing internalstation number remains on the other level without LED display.Contact partner in case of problemsContact your administrator if a fault persists for more than five minutes, forexample.TroubleshootingPressed key does not respond:Check if the key is stuck.Telephone does not ring:Check whether the "Do not disturb" function is activated on your telephone ("Donot disturb" icon appears on the screen Æ Page 24). If so, deactivate it.You cannot dial an external number:Check whether your telephone is locked (The following message appears on thescreen: „Not authorized"). If the phone is locked, enter your PIN to unlock itÆ Page 100.To correct any other problems:First consult your administrator. If the problem still cannot be resolved, theadministrator has to contact Customer Service.Care and cleaning instructions• Never spray the phone with liquids as the penetrating fluids can lead tomalfunctions or may damage the device.• Clean the phone with a soft and slightly damp cloth.• Do not use substances such as alcohol, chemicals, household cleaners orsolvents, as these substances can lead to surface damage or cause thecoating to peel.
