CPU v3.18xx and below - Error Code - 67-69
CPU v3.19xx and above - Error Code - 18x40/A-F
Error Message:
F-L1/L3/L3
Max 1/2/3
Solutions: AC Frequency too low (Line 1/2/3)
- Verify that the inverter is set to the correct country
- Consult the grid operator
- If permitted by local authorities, change the grid protection values.