Growatt SPF-3500ES, Руководство по устранению неисправностей

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b. Secondly, after the check of parallel cable, if still abnormal, try to replace parallel cable
a.
Thirdly, if above all methods can’t solve the issue, try to make inverters run separately, then observe if
80fault will disappear. Try to replace parallel board inside the inverter.
Fig.5 Parallel board
Fig.6 Parrallel board at the bottom.
Solution:
Try to swap parallel cable or parallel board from normal inverter, you can use exclusive method and
confirm which part has the malfunction.
M alfunction Reason: