Diagnosing “AC Voltage Out of Range” on Enphase Microinverters
The Enphase microinverter “AC Voltage Out of Range” alert, also called ACVOOR, means the device measured grid voltage outside the active regional grid profile and disconnected to protect itself and the electrical network. The cause may be utility overvoltage, solar-circuit voltage rise, a wiring defect, phase or neutral problems, an incorrect profile, or a failed […]