ABB's life cycle services for solar invertes span the entire value chain of the product from pre-purchase to replacement and recycling. One of such services is preventive maintenance. ABB recommends regular preventive maintenance of solar inverters throughout their lifetime to ensure maximum availability and minimum unplanned repair costs. With timely preventive maintenance reliability of solar inverters can be ensured and lifetime extended.
For more information: http://www.abb.com/product/us/9AAC172309.aspx