
Worldwide Energy and Manufacturing USA Co., Limited
30
The inverter is designed on the basis of the grid-connected operation standards and meets
the requirements of safety and EMC. Before provided to client, the inverter has been
experienced for several rigorous tests to ensure reliable and optimizing operation.
If some faults occur, the display screen will show the corresponding alarm information. Under
the circumstances, the inverter may stop power generation. The troubleshooting is as shown
in Table6-1.
Table6-1 Troubleshooting
Code Fault information
Solution
E016
Grid voltage abnormal
Check if the safety provision of the inverter meets the local
grid-connected requirement.
Check the local grid voltage.
If they are all normal, please contact local distributor.
E017
Grid frequency
abnormal
Check if the safety provision of the inverter meets the local
grid-connected requirement.
Check the local grid voltage.
If they are all normal, please contact local distributor.
E025
PV1 over-voltage
Check the configuration of PV system, If they are all normal,
please contact local distributor.
E026
PV2 over-voltage
Check the configuration of PV system, If they are all normal,
please contact local distributor.
E027
Fan fault
If the fault always exists, please contact the local distributor.
E029
Inverter
over-temperature
Check the radiator, and see if it is blocked.
Check the environment temperature and see if the temperature
exceeds the normal range.
If they are all normal, please contact local distributor.
E032
Inverter over-current
If the fault always exists, please contact the local distributor.
E035
Grid current DC
component abnormal
If the fault always exists, please contact the local distributor.