Huichuan frequency converter MD310T series alarm ERR07 fault solution
2025/5/5 22:17:16
Huichuan MD310 series frequency converter alarm code ERR07
Fault name: Constant speed overvoltage
1、 Reason for malfunction:
1. Input voltage is too high
2. There is external force dragging the motor during operation
2、 Solution:
1. Adjust the voltage to the normal range
2. Cancel additional power or install braking resistors
3. Set acceleration and deceleration time
