What does Fault Code 71 on my EG4 6000EX-48 Inverter mean, and how do I fix it?
- RRicky MooreSep 2, 2025
Fault Code 71 on your EG4 Inverter indicates that the firmware version of each inverter is not the same. To resolve this, update all inverter firmware to the same version. Check the version of each inverter via LCD settings and ensure the CPU versions are the same.










