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EnergyFaults — error codes and troubleshooting for energy devices

Solis Error Codes & Faults

Fault and warning codes recorded for Solis devices, with meanings, severity and safe troubleshooting steps.

Popular Solis error codes

1010 (OV-G-V)Moderate

Solis

AC grid overvoltage detected

September 2026View
1011 (UN-G-V)Moderate

Solis

AC grid undervoltage detected

September 2026View
1014 (Backfeed)Moderate

Solis

Grid backfeed condition detected

September 2026View
1015 (NO-GRID)Moderate

Solis

Grid not detected

September 2026View
1018 (OV-G-I)High

Solis

AC grid overcurrent detected

September 2026View
1021 (OV-BUS)High

Solis

Internal DC bus overvoltage

September 2026View
1023 (UNB-BUS)Moderate

Solis

DC bus voltage unbalanced

September 2026View
1027 (DC-INTF)Moderate

Solis

DC interference detected

September 2026View

Common Solis problems

No grid errorNot producing powerIsolation faultOver-temperature
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All Solis fault codes

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24 codes shown