CPU v3.18xx and below - Error Code - 166-168
CPU v3.19xx and above - Error Code - 18xA6-8
Error Message: Tz Over voltage Cap 1/2/3/
- Verify that the inverter is set to the correct country.
- Turn OFF the inverters in the site and verify AC grid voltage.
- If the inverter is located far from the connection point to the grid, use a larger gauge AC wire.
- Consult the grid operator.
- If permitted by local authorities, change the grid protection values.