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c. Try to disconnect the load from inverter, then observe if inverter has normal AC output 230V and no
07fault again.
d. If still abnormal, most of time it is caused by control board.
Solution:
Reduce the load
OR
Try to replace control board
7 10 warning
10warning means output power degrading
Testing method:
e. Try to disconnect the load from inverter, then observe if inverter has normal AC output 230V and no
10 again.
f. If still abnormal, most of time it is caused by control board or mainboard.
Solution:
If it is not caused by load, you can try to replace control board or mainboard.
8 13 warning
13warning means solar charger stops due to high PV voltage.
Testing method:
a. For SPF 5000ES , SPF 5000TL HVM WPV, max PV open circuit voltage is 450V; Please test the real
PV input voltage via multimeter.
Solution:
Reduce solar panels until it is lower than allowed max PV input voltage
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