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FAQ

Question

Error Code 6

2019-09-18
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Answer

Check the open-circuit voltages of the strings and make sure it is below the maximum DC input voltage of the inverter. If the input voltage is within the permitted range and the fault still occurs, it might be that the internal circuit has broken. Contact the service.

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Troubleshooting
2019-09-18 13:55:34
Question

Error Code 33

2019-09-18
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Check the grid frequency and observe how often major fluctuations occur. If this fault is caused by frequent fluctuations, try to modify the operating parameters after informing the grid operator first.

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Troubleshooting
2019-09-18 13:54:50
Question

Error Code 34

2019-09-18
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Answer
Check the grid voltage and grid connection on the inverter.
Check the grid voltage at the point of connection of the inverter. If the grid voltage is outside the permissible range due to local grid conditions, try to modify the values of the monitored operational limits after informing the electric utility company first. If the grid voltage lies within the permitted range and this fault still occurs, please call service.
Categories:
Troubleshooting
2019-09-18 13:54:16
Question

Error Code 35

2019-09-18
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Answer
Check the fuse and the triggering of the circuit breaker in the distribution box.
Check the grid voltage, grid usability.
Check the AC cable, grid connection on the inverter. If this fault is still being shown, contact the service.
Categories:
Troubleshooting
2019-09-18 13:53:32
Question

Error Code 36

2019-09-18
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Make sure the grounding connection of the inverter is reliable.
Make a visual inspection of all PV cables and modules. If this fault is still shown, contact the service.
Categories:
Troubleshooting
2019-09-18 13:53:07
Question

Error Code 37

2019-09-18
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Answer

Check the open-circuit voltages of the strings and make sure it is below the maximum DC input voltage of the inverter. If the input voltage lies within the permitted range and the fault still occurs, please call service.

Categories:
Troubleshooting
2019-09-18 13:52:42
Question

Error Code 38

2019-09-18
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Answer
Check the PV array’s insulation to ground and make sure that the insulation resistance to ground is greater than 1 MOhm. Otherwise, make a visual inspection of all PV cables and modules.
Make sure the grounding connection of the inverter is reliable. If this fault occurs often, contact the service.
Categories:
Troubleshooting
2019-09-18 13:52:10
Question

Error Code 40

2019-09-18
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Answer
Check whether the airflow to the heat sink is obstructed.
Check whether the ambient temperature around the inverter is too high.
Categories:
Troubleshooting
2019-09-18 13:51:35
Question

Error Code 41, 42, 43, 44, 45

2019-09-18
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Answer

Disconnect the inverter from the grid and the PV array and reconnect after 3 minutes. If this fault is still being shown, contact the service.

Categories:
Troubleshooting
2019-09-18 13:51:07
Question

Error Code 46

2019-09-18
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Answer

Check the open-circuit voltages of the strings, make sure it is lower than the Max. DC input voltage of the inverter; If the input voltage lies within the permitted range, and the fault still occurs, maybe the internal circuit has broken, contact the service.

Categories:
Troubleshooting
2019-09-18 13:50:38
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