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Service FAQ: Troubleshooting Faults
Solve your Alarms and Faults of your inverter, battery and optimizer
33 articles
Fault codes 002, 003, 014, 015: Grid Overvoltage
Fault codes 004, 005: Grid Undervoltage
Fault code 008: Grid Overfrequency
Fault code 009: Grid Underfrequency
Fault code 010: Grid Power Outage (Islanding)
Fault Code 013: Grid Abnormal
Fault code 017: Grid Voltage Unbalance
Fault Code 037: Ambient Over-temperature
Fault Code 051: Off-Grid Load Overpower Fault
Fault codes 087, 089: AFD alarms
Fault code 088: Electric Arc Fault
Fault Code 106: Grounding Cable Fault
Fault Codes 70, 82, 83, 512, 513: Fan Alarms
Fault Code 514: Meter Communication Abnormal Alarm
Fault code 1616: System Hardware Fault
Fault code 075: Parallel Communication Alarm
Fault code 043: Excessively Low Temperature
Fault code 039: Low System Insulation Resistance
Fault codes 020, 025, 101, 202, 320: System Fault
Fault codes 433, 434: PID faults
Fault Codes 703, 711, 712, 715, 732, 733, 734, 735, 736, 739: Battery Fault/Abnormal
Fault Code 714: BMS Communication Fault
Fault code 716: Abnormal Battery Connection
Fault Codes 832, 833, 835, 836, 837: Battery Fault/Abnormal
Fault Codes 932, 933, 934, 935, 937, 939, 941, 942, 964: Battery Alarm
Fault code 500: SPD or Fuse alarm
Fault code 004: Input Overvoltage (optimizer)
Fault code 008: Output Overvoltage (optimizer)
Fault code 016: Overcurrent (optimizer)
Fault code 032: Overtemperature (optimizer)
Fault code 128: Output current backfeed (optimizers)
Fault code 512: Hardware fault (optimizer)
Fault code 1024: Update failed (optimizer)