- defects that are caused due to improper use or incorrect operation of the product - components that have become damaged as a result of operational or otherwise natural wear and tear - defects that have been caused due to an exceptional physical and/or electrical stress - damage caused by repair work that was not carried out by either VISIONITE INC itself or an authorised partner - products with serial numbers that are missing or no longer detectable - defects that are connected with supplied software from other sources - defects that are the result of an extreme event, in particular an accident, lightning strike or power surges