Hello, Yroslav Havrylenko. Thank you for your question. I have two suggestions for your question. 1. The physical connection between the two devices may be faulty. You can refer to the Smartlogger2000 user manual for a review. Link: https://support.huawei.com/enterprise/en/doc/EDOC1100014379?idPath=22892350|21439560|7921563|21102414|21294677 2. The device may have failed and needs to be checked, you can contact Huawei local representative office according to your country. There will be professional engineers to support you. Link: https://solar.huawei.com/eu/contact Best wishes!
Hello, Yroslav Havrylenko. Thank you for your question. I have two suggestions for your question. 1. The physical connection between the two devices may be faulty. You can refer to the Smartlogger2000 user manual for a review. Link: https://support.huawei.com/enterprise/en/doc/EDOC1100014379?idPath=22892350|21439560|7921563|21102414|21294677 2. The device may have failed and needs to be checked, you can contact Huawei local representative office according to your country. There will be professional engineers to support you. Link: https://solar.huawei.com/eu/contact Best wishes!
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