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Installation error: PYLONTECH UP2500/24V lithium batteries

AN solar
in Batteries

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During the installation of PYLONTECH UP2500/24v batteries, an error occurred where two batteries were connected in series. This resulted in a problem with both batteries: an alarm sound and a red and yellow light illuminating. The batteries were opened to inspect the BMS (Battery Management System). Two blown fuses were found in one of the BMS components. The circuit connected to the fuses was inspected, and no faulty components were found. The blown fuses were replaced, the BMS board was installed inside the battery, and the battery was powered on, but the problem persists. I hope to find a solution to this problem..Note: The replaced fuses are number F03 on the top of the board and a corresponding fuse on the bottom of the board.. Thank you.

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