What does 'Err | IP' mean on my Fronius VR 5000 Industrial Equipment?
- AAnthony WilliamsAug 21, 2025
The error code 'Err | IP' indicates that the control unit of the power source has detected a primary overvoltage. Check mains voltage, if the service code still remains, switch off the power source, wait for 10 seconds and then switch the power source on again.