Hi5 controllermaintenanceHi5 Troubleshooting Manual1. Troubleshooting1.1. Troubleshooting Solution1.1.47. E02521 (○ axis) IPM fault – low-voltage gate drive powerOn this page1.1.47. E02521 (○ axis) IPM fault – low-voltage gate drive power1.1.47. E02521 (○ axis) IPM fault – low-voltage gate drive power Previous error code: E0112 (○ axis) IPM fault 1.1.47.1. Outline1.1.47.2. Causes and examine methods