Documented coverage
Technical information separated from official support routes.
Documented codes
2001Huawei inverter 2001: string voltage is above the permitted limitCritical· Solar and energy2002Huawei inverter 2002: a DC arc fault was detectedCritical· Solar and energy2004Huawei inverter 2004: DC overvoltage was detectedCritical· Solar and energy2009Huawei inverter 2009: a PV string is short-circuited to groundCritical· Solar and energy2011Huawei inverter 2011: a PV string is connected with reverse polarityCritical· Solar and energy2021Huawei inverter 2021: the AFCI self-check failedCritical· Solar and energy2031Huawei inverter 2031: an AC phase conductor is short-circuited to protective earthCritical· Solar and energy2039Huawei inverter 2039: transient inverter output current exceeded the AC protection limitCritical· Solar and energy2051Huawei inverter 2051: abnormal residual current was detected as input-side insulation to PE decreasedCritical· Solar and energy2062Huawei inverter 2062: PV-to-earth insulation resistance is below the permitted thresholdCritical· Solar and energy2063Huawei inverter 2063: the inverter temperature exceeded its operating limitCritical· Solar and energy2012Huawei inverter 2012: reverse current is feeding back into a PV stringHigh· Solar and energy