Aastra DT412 User Manual
Also see for DT412: Quick reference guideUser guideUser guideQuick reference guideUser guide
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Contents
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127DT412/DT422/DT432TroubleshootingTroubleshootingThis section contains information on how to solve commonoperational problems, and warnings you may receive.Go through the following lists if you encounter any problems. If thischecklist does not solve the problem, contact your systemadministrator. If others have similar problems, there may be asystem error.Fault / Display Probable cause Action orcommentThe phone doesnot switch onThe battery level islow.Charge the battery.No display The battery level islow or the phone isdefective.Charge the batteryor contact systemadministrator.No ringing The Ringer off iconis on or the phoneis defective.Off icon on =Turn on the ringingsignal.Battery icon flashes The battery level islow or the phone isdefective.Charge the battery.Call icon isswitched off after2 secondsThe battery level islow or the phone isdefective.Charge the batteryor contact systemadministrator.Lamp showssteady lightThe phone isdefective.Contact systemadministrator.When addingnames to thePhonebook, anerror beep soundsThe memory is full,you cannot addnew names.Delete a name.Wrong sim The SIM card is notcompatible with thesoftware version ofthe phone.Contact systemadministrator.Check SIM card The SIM card ismissing or insertedthe wrong way.Insert or adjust theSIM card orcontact systemadministrator. |
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