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Fault codes › Huawei

Huawei fault codes

Huawei SUN2000-100KTL-USH0

CodeShown asClassProductionClearsReportsPage
2001High string input voltage fault stops by itself DC overvoltage 118
2002DC Arc Fault fault stops 118
2011String Reverse Connection fault stops Reverse polarity 118
2012String current backfeed warning reduced String reverse current 118
2013Abnormal String Power warning reduced Reduced string current 119
2021AFCI Self-Check Failure fault stops after a manual reset Self-test failure 119
2031Phase Wire Short-Circuited to PE fault stops Ground fault alarm or trip 119
2032Grid Loss fault stops by itself Grid loss 119
2033Grid Undervoltage fault stops by itself Grid undervoltage 119
2034Grid Overvoltage fault stops Grid overvoltage 120
2035Grid Voltage Imbalance fault stops Phase imbalance 120
2036Grid Overfrequency fault stops by itself Grid overfrequency 120
2037Grid Underfrequency fault stops by itself Grid underfrequency 121
2038Unstable Grid Frequency fault stops by itself Grid instability 121
2039Output Overcurrent fault stops by itself AC overcurrent 121
2040Output DC Component Overhigh fault stops by itself High DC injection 122
2051Abnormal Residual Current fault stops by itself High leakage current 122
2061Abnormal Grounding fault stops Missing ground connection 122
2062Low Insulation Resistance fault stops Low insulation resistance 122
2063 fault stops Inverter overtemperature 122
2064Device Fault fault stops after a manual reset Internal device fault 123
2065Upgrade Failed warning unaffected Firmware update failure 123
2066License Expired warning Feature license expiring 123
61440Faulty Monitoring Unit warning unaffected needs service Data storage failure 123

Huawei SUN2000-25KTL-US / SUN2000-30KTL-US

CodeShown asClassProductionClearsReportsPage
103DC Over Voltage fault stops by itself DC overvoltage 96
106-111String 1-6 Abnormal warning reduced Reduced string current 96
120-125String 1-6 Reverse fault stops Reverse polarity 97
200DC Bus Voltage Fault fault stops by itself DC link fault 97
202Invert Module Fault fault stops by itself AC overcurrent, High DC injection 98
301Grid Voltage Abnormal fault stops by itself Grid voltage out of range, Grid undervoltage, Grid overvoltage, Phase imbalance, Grid loss 98
305Frequency Abnormal fault stops by itself Grid overfrequency, Grid underfrequency, Grid frequency out of range 100
313Low Array Insulation Resistance fault stops Low insulation resistance 100
318Residual Current Abnormal fault stops by itself High leakage current 101
321Cabinet Over-Tem p fault stops Inverter overtemperature, High ambient temperature 101
322Abnormal SPI Communi cation fault stops after a manual reset Internal communication failure 101
326Electrical Grounding Fault fault stops Missing ground connection, Abnormal neutral line 101
400System Fault fault stops after a manual reset Internal device fault 101
410Abnormal Auxiliary Power fault stops by itself Internal device fault 102
411AFCI Self-Chec k Failure fault stops after a manual reset Self-test failure 102
412DC Arc Fault fault stops 102
504Version Mismatch warning unaffected Software version mismatch 102
505Firmware Upgrade Failed fault stops Firmware update failure 102
61440Flash Fault warning unaffected needs service Data storage failure 102

Huawei SUN2000-45KTL-US-HV-D0

CodeShown asClassProductionClearsReportsPage
103High DC Input Voltage fault stops by itself DC overvoltage 113
106-113Abnormal String 1-8 warning reduced Reduced string current 114
120-127String 1-8 Reversed fault stops Reverse polarity 114
200Abnormal DC Circuit fault stops by itself DC link fault 114
202Abnormal Invert Circuit fault stops by itself AC overcurrent, High DC injection 115
301Abnormal Grid Voltage fault stops by itself Grid voltage out of range, Grid undervoltage, Grid overvoltage, Phase imbalance, Grid loss 116
305Abnormal Grid Frequency fault stops by itself Grid overfrequency, Grid underfrequency, Grid frequency out of range 117
313Low Insulation Resistance fault stops Low insulation resistance 118
318Abnormal Residual Current fault stops by itself High leakage current 118
321Cabinet Overtempe rature fault stops Inverter overtemperature, High ambient temperature 118
322Abnormal SPI Communic ation fault stops after a manual reset Internal communication failure 118
326Abnormal Grounding fault stops Missing ground connection, Abnormal neutral line 118
400System Fault fault stops after a manual reset Internal device fault 119
410Abnormal Auxiliary Power fault stops by itself Internal device fault 119
411AFCI Self-Chec k Failure fault stops after a manual reset Self-test failure 119
412DC Arc Fault fault stops 119
413Abnormal PV String Connectio n fault stops Abnormal PV input 119
504Software Version Unmatch warning unaffected Software version mismatch 120
505Upgrade Failed fault stops Firmware update failure 120
61440Flash Fault warning unaffected needs service Data storage failure 120

Codes are sorted by vendor prefix and number. Each row links to the code's record; concepts link to their reading rule.