The Esab AristoArc 400 is an inverter welding power source designed for professional use, offering robust performance and advanced control features. This unit supports multiple welding processes including SMAW, GTAW, FCAW, and SAW, with an output amperage range of 5 to 400 A and a duty cycle of 400 A at 60%. It features digital control, arc force control, and hot start control for enhanced weld quality and user experience. With its compact dimensions of 760 x 300 x 640 mm and a weight of 50 kg, the AristoArc 400 is engineered for reliability and efficient operation in demanding environments.

This Service Manual provides comprehensive guidance for the Esab AristoArc 400. It covers essential maintenance procedures, detailed troubleshooting steps including fault code explanations, and technical specifications such as input voltage (380-400V, 3-phase), input frequency (50/60 Hz), and open circuit voltage (68 V). The manual also includes a spare parts catalog and detailed wiring diagrams, ensuring that owners, technicians, and mechanics have all the necessary information to maintain, repair, and optimize the performance of their welding equipment.

The Esab AristoArc 400 is an inverter welding power source designed for professional use, offering robust performance and advanced control features. This unit supports multiple welding processes including SMAW, GTAW, FCAW, and SAW, with an output amperage range of 5 to 400 A and a duty cycle of 400 A at 60%. It features digital control, arc force control, and hot start control for enhanced weld quality and user experience. With its compact dimensions of 760 x 300 x 640 mm and a weight of 50 kg, the AristoArc 400 is engineered for reliability and efficient operation in demanding environments.

This Service Manual provides comprehensive guidance for the Esab AristoArc 400. It covers essential maintenance procedures, detailed troubleshooting steps including fault code explanations, and technical specifications such as input voltage (380-400V, 3-phase), input frequency (50/60 Hz), and open circuit voltage (68 V). The manual also includes a spare parts catalog and detailed wiring diagrams, ensuring that owners, technicians, and mechanics have all the necessary information to maintain, repair, and optimize the performance of their welding equipment.