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Hello, I have the SOROTEC Lithium LiFePO4 battery, 48V 100 Ah, and attached is the datasheet. I installed it along with a SOROTEC REVO II 5.5 KW inverter since August 2021. Few weeks ago I got these two fault codes: Fault Code: 80280000 Warning Code: 80000200 .....these are still displayed now...