Description - Internal communication failure detected.
Troubleshooting - Attempt to update the firmware and power cycle the inverter.
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- Critical Event Code - 1 - Software Parameter Load Failure
- Critical Event Code - 3 - Internal Communication 2 Failure
- Critical Event Code - 4 - Arc Fault Detected
- Critical Event Code - 5 - AC Contactor Failure
- Critical Event Code - 6 - Critical Over Temperature
- Critical Event Code - 7 - Ground Fault, Excessive Leakage Current
- Critical Event Code - 8 - Ground Fault, Isolation Resistance Low
- Critical Event Code - 9 - Critical Internal Hardware Failure
- Critical Event Code - 10 - Ground Fault Detection Self Check Failure
- Critical Event Code - 11 - Operational Self Check Failure
- Critical Event Code - 12 - Startup Self Check Failure
- Warning Event Code - 1 - Internal Over Current/ Over Voltage
- Warning Event Code - 2 - Phase Lock Loop Failure
- Warning Event Code - 3 - Islanding Detected
- Warning Event Code - 4 - Open Phase Detected
- Warning Event Code - 5 - AC Low Frequency 1 Detected
- Warning Event Code - 6 - AC Very Low Frequency 2 Detected
- Warning Event Code - 7 - AC High Frequency 1 Detected
- Warning Event Code - 8 - AC Very High Frequency 2 Detected
- Warning Event Code - 9 - AC Low Voltage 1 Detected
- Warning Event Code - 10 - AC Very Low Voltage 2 Detected
- Warning Event Code - 11 - AC Extremely Low Voltage 3 Detected
- Warning Event Code - 12 - AC High Voltage 1 Detected
- Warning Event Code - 13 - AC Very High Voltage 2 Detected
- Warning Event Code - 25 - Communication 1 Fault
- Warning Event Code - 26 - Communication 2 Fault
- Warning Event Code - 27 - Communication 3 Fault
- Warning Event Code - 28 - Network Fault
- Warning Event Code - 29 - Software Update Fault