ACS880 Liquid-Cooled Drive Maintenance Schedule

This document provides a comprehensive maintenance schedule for ABB ACS880 liquid-cooled drives and ACS880R modernizations, including recommended intervals for inspections, component replacements, and functional safety actions over a 21-year period. It covers cooling system maintenance, aging components such as capacitors and fans, and user-performed tasks like terminal tightening, coolant checks, and control unit battery replacement.