This service manual covers the ESAB Aristo Series, specifically the U4000i and 4000i models. These electric-powered welding machines are engineered for robust performance in MIG and TIG welding processes, offering a broad amperage range and reliable duty cycles. Their advanced design ensures precision and efficiency for demanding industrial applications.

This manual provides comprehensive guidance for the operation, maintenance, and repair of the ESAB Aristo Series. It includes detailed technical data, wiring diagrams, descriptions of operation, remote control procedures, and a troubleshooting guide with fault codes. The inclusion of spare parts information and service instructions empowers owners and technicians to maintain the integrity and optimal performance of their equipment.