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Error Code - 55 (v3.18xx) or 18x37 (v3.19xx)

CPU v3.18xx and below - Error Code - 55

CPU v3.19xx and above - Error Code - 18x37

Error Message: V-Line Max

Solutions: AC Voltage Too High

  • 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

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