Sungrow Solar Inverter Fault Code

Error Code
Description
Troubleshooting
0002
The grid voltage exceeds inverter allowable upper limit
1. Check the voltage of the grid
2. If the grid voltage exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid voltage is within the permissible range, contact Sungrow service department
0003
Grid transient voltage exceeds the permissible range
1. This is a short-term fault due to grid condition. Wait a moment for inverter recovery
2. If the fault still exists, please contact Sungrow service department
0004
The grid voltage is below inverter’s allowable lower limit
1. Check the grid voltage
2. If the grid voltage exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid voltage is within the permissible range, contact Sungrow service department
0005
The grid voltage is too low
1. This is a short-term fault due to grid condition. Wait a moment for inverter recovery
2. If the fault still exists, please contact Sungrow service department
0006
The AC output current exceeds inverter allowable upper limit
1. The inverter will resume if the output current falls below the protection value
2. If the fault still exists, please contact Sungrow service department
0007
Transient AC overcurrent
1. The inverter will self-recover after several seconds
2. If the fault still exists, please contact Sungrow service department
0008
0009
The grid frequency exceeds inverter allowable upper limit
1. Chech the grid frequency
2. If the grid frequency exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid frequency is within the permissible range, contact Sungrow service department
0010
Islanding
1. Check whether AC circuit breaker is triggered
2. Check whether AC cables are all firmly connected
3. Check whether grid is not in service
4. If all conditions are OK and this fault still occurs in the LCD screen, contact Sungrow service department
0011
The DEC component of AC current exceeds inverter limit
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
0012
A failure current is detected
1. Check the PV strings for ground fault
2. If the fault occurs repeatedly, contact Sungrow service department
0014
The average grid voltage exceeds the permissible range for over 10 minutes
1. Wait a moment for inverter recovery
2. Check the voltage of the grid. If the grid voltage exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the fault occurs repeatedly, contact Sungrow service department
0015
The grid voltage exceeds the permissible range
1. Check the model of teh AC cables<>br 2. Wait a moment for inverter recovery
3. If the grid voltage exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
4. If the fault occurs repeatedly, contact Sungrow service department
0016
The bus voltage or power is high
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
0019
The transient bus voltage is high
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
0020
The bus voltage is high
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
0021
0022
PV2 input overcurrent is detected
Check the layout and the wiring of PV2 input
0036
The temperature of radiator is too high
1. Check whether the placement of inverter is correct
2. Check whether the inverter operating ambient temperature is more than the range indicated in the specification
3. Check whether the AC output power exceeds the nominal power
4. If the fault still exists, please cont Sungrow
0037
The temperature of the inverter s too high
1. Check whether the placement of inverter is correct
2. Check whether the inverter operating ambient temperature is more than the range indicated in the specification
3. Check whether the AC output power exceeds the nominal power
4. If the fault still exists, please cont Sungrow
0038
Relay fault is detected
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
039
The insulation resistance is low. (ISO-flt)
1. Check whether the positive and negative of PV panels is short-circuited with ground lead
2. Wait a moment for inverter recovery
3. If the fault occurs repeatedly, contact Sungrow service department
041
Leakage current self-test abnormality
1. Wait a moment for inverter recovery
2. Uf the fault occurs repeatedly, contact Sungrow service department
047
The PV configuration mode set in the phone application interface is not in accordance with the configuration in the connection cabinet
1. Disconnect the inverter
2. Re-select PV configuration mode and re-connect PV strings
048
Sampling channel failure
1. Wait a moment for inverter recovery
2. Uf the fault occurs repeatedly, contact Sungrow service department
053
Auxiliary DSP detects grid voltage exceeds set protection value
1. Check the grid voltage
2. If the grid voltage exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid voltage is within the permissible range, contact Sungrow service department.
054
Auxiliary DSP detects grid frequency exceeds set protection value
1. Check the grid frequency
2. If the grid frequency exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid frequency is within the permissible range, contact Sungrow service department.
056
Auxiliary DSP detects grid leakage current exceeds set protection range
1. Check whether there is a grounded fault of eh PV string
2. If the fault occurs repeatedly, contact Sungrow service department
057
Auxiliary DSP AC current sampling channel anomaly
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
058
Auxiliary DSP detects AC current DC injection exceeds inverter set protection range
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
059
Main and auxiliary DSP communication anomaly
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
060
Main and auxiliary DSP sampling difference
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
070
Fans are defective
Stop the inverter and disconnect the AC and DC cables. Check whether the fan duct has been blocked. If not, replace fans
087
ARC self-detection anomaly warn
Wait a while. Coptact Sungrow if device is still in self-detection warn state
088
ARC anomaly fault
1. Stop the inverter and disconnect the AC and DC cables. Check cable connection for ageing and looseness. Re-power on and remove the ARC warn manually
2. Contact Sungrow if this fault still occurs
089
ARC detection OFF warn
Remove the warn by enable ARC detection function or keep the warn by closing ARC detection function
100
The AC output current exceeds inverter protection limit
1. The inverter will resume if the output current falls below the protection value
2. If the fault still exists, please contact Sungrow service department
101
The gird frequency exceeds inverter allowable upper limit
1. Check the grid frequency
2. If the grid frequency exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid frequence is within the permissible range, contact Sungrow service department
102
The grid frequency is below the inverter allowable lower limit
1. Check the grid frequency
2. If the grid frequency exceeds the permissible range of inverter protection parameters, ask utility grid company for solution
3. If the grid frequence is within the permissible range, contact Sungrow service department
106
The inverter is not grounded
Check whether there is a reliable inverter grounding line, if there is access to the ground, and the fault still exists, please contact Sungrow service department
200
The bus voltage is high
1. Wait for inverter recovery after bus voltage lower
2. If the fault occurs repeatedly, contact Sungrow service department
201
The bus voltage is too low
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
202
PV current overcurrent
1. Wait a moment for inverter recovery after DC current is reduced
2. If the fault occurs repeatedly, contact Sungrow service department
205
AC output replay abnormal
1. Wait a moment for inverter recovery
2. If the fault occurs repeatedly, contact Sungrow service department
307
DC power is too high
Check whether the configuration of PV is in the range indicated in the specification. If the fault occurs repeatedly contact Sungrow service department

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