Answers to all your
solar energy questions

These errors are permanent faults. To try and correct these faults, disconnect the inverter from the utility grid and the PV array. After 3 minutes, reconnect the inverter. If the fault continues to be displayed, please contact your local technical support team for assistance.

This fault relates to power distribution. If you see this error code, open the inverter box and check the power distribution to see if a fuse has been damaged.

This fault relates to power distribution. If you see this error code, open the inverter box and check the power distribution to see if the signal cables for the PV1-SPD and PV2-SPD surge protectors have been disconnected. If they are disconnected, reconnect them. If the fault persists, please contact your local technical support team for assistance.

This fault relates to the maximum DC input voltage of the inverter. Check the open-circuit voltages of the strings and make sure that they are lower than the maximum DC input voltage of the inverter. If the input voltage is within the permitted range and the fault persists, the internal circuit may be broken. In this case, please contact your local technical support team for assistance.

Disconnect the inverter from the grid and the PV array, then reconnect it after waiting 3 minutes. If the fault persists, please contact your local technical support team for assistance.

This fault relates to the maximum operating temperature for your inverter. If you see this error code, check to ensure that the airflow to the heat sink is unobstructed and check to make sure the ambient temperature around the inverter isn’t too high.

Check to ensure that the PV array is grounded and make sure the insulation resistance is greater than 1 MOhm. Verify that the inverter’s grounding connection is reliable. Also, make a visual inspection of all PV cables and modules. If the fault persists, please contact your local technical support team for assistance.

Check the open-circuit voltage of the strings and make sure it does not exceed the maximum DC input voltage of the inverter. If the input voltage value is within the permitted range but the fault persists, please contact your local technical support team for assistance

If you see this fault, ensure that the grounding connection of the inverter is intact and reliable. Conduct a visual inspection of all PV cables and modules for any breaks or defects. If none are found but the error code persists, please contact your local technical support team for assistance.

If you see this error code, there are a few things you will need to check. First, verify that the fuse and the triggering of the circuit breaker in the distribution box are functioning properly. Second, check the grid voltage and grid usability. Third, check the AC cable and make sure the inverter is connected to the grid. If the fault persists after you’ve checked these three things, please contact your local technical support team for assistance.

Check the grid voltage at the connection point on the inverter. If the grid voltage is outside the accepted range of local grid conditions, modify the values of the monitored operational limits, but only after informing the local electric utility company. If the grid voltage is within the permitted range and this fault persists, please contact your local technical support team for assistance.

Frequent power fluctuations could cause this fault so check the grid frequency and make a note of how often major fluctuations occur. If major fluctuations are frequent, try to modify the operation parameters after informing the local grid operator.

This fault relates to the maximum DC input voltage of the inverter. Check the open-circuit voltages of the strings and make sure that they are lower than the maximum DC input voltage of the inverter. If the input voltage is within the permitted range and the fault persists, the internal circuit may be broken. In this case, please contact your local technical support team for assistance.