Standard industrial product 2 Year Warranty - Includes exchange or factory repair at our option on lower power products, and on-site repair (parts & on-site time only) on higher power products as defined below. The warranty period starts from the date of shipment from Mechanical Electrical Systems (MES), unless otherwise specified. MES will provide ground shipment to the customer. The customer is responsible for returning the defective product to MES. Products that have not been used in accordance with the product manual, or that have been damaged due to unauthorized repairs will void the product warranty.