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I am having an issue with my Deye 8kW hybrid inverter (SUN-8K-SG01LP1-EU) Problem: After the battery reaches 100% charge, the PV power output immediately drops from 5-7kW to 0.15-0.5KW, even on clear, sunny days. Even if my house is using 3kW, the solar is curtailed to below 0.5kW, and 2.5kW...