All signs and attracting devices, including, but not limited to, canopies and awnings, shall be maintained in a clean and sightly condition. Torn, color-faded, worn, broken or otherwise soiled or damaged materials shall be restored or replaced so as to maintain the sign or attracting device in its original condition. All structural elements of a sign or attracting device, including, but not limited to, electrical and lighting components, shall be maintained in good working order and in a safe and sightly condition.