Pylontech US2000C / US3000C Communication Settings Techno Sun, SLU, Hugo Rodrigo : Why does the Pylontech US2000C / US3000C alarm buzz and light up? . Pylontech has indicated that between the new installations of US2000C y US3000C there are a few cases where the modules make a buzzi... News Pylontech US2000C US3000C Jan 8, 2021 0 18198