iQpump1000 and iQpump Micro Single Phase Foldback Technical Tip

This document explains the Single Phase Foldback protective feature in Yaskawa iQpump1000 and iQpump Micro drives, which reduces motor speed to protect the DC bus circuitry from stress caused by single-phase input power or power supply issues. It provides troubleshooting steps for alarms, application precautions for single-phase operation, and guidance on derating and input power connections.