TOP > When You Are in Trouble > When an Error Message Appears > Error Message 1047 (EAP Auth Error) Error Message 1047 (EAP Auth Error) When there is an error with the product, the error message appears on the screen. Check the cause and countermeasure, and then take appropriate action. To clear the error: Press the button. Cause and Countermeasure Reference Cause EAP Authentication failure. Countermeasure Use the correct Access Point (AP) and authentication server settings. EAP Conf. Contact your SATO technical support if the error cannot be resolved. Contact Information for When You Are in Trouble Back to top