Since no precise information is provided for fixing the error mentioned above, you will have to consult the available documents on the official website. Access the page, then download the available files.
Official page: http://furunousa.com/Products/ProductDetail.aspx?product=FELCOM15
Secondly, get in touch with the support team and they will offer additional information about this error.
Note: You need to be registered in order to ask questions.
