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Dear Ms.Wendy Jiang ,We are a company from Bulgaria.In November, our partner in China-Zhejiang Jiajiare New Energy Co., Ltd. - Mr. Philip Xu purchased for us by your company solar controller - 20 sets TNC-2. Zhejiang Railen Electric Technology Co.,ltdWe have a problem with 2 pieces of these controllers.Many are asking you for your help!-I have a problem with 2 controllers TNC-2.Do not fill the numbers 2, 5, and 6. - See photo.There is something worse.Plus button to increase and adjustment of the temperature and time setting does not work properly.Instead of changing the values ??in the plus + button that changes the position for time and temperature.Pretty please ask the manufacturer Railen, can you send us an electronic circuit of this controller and explain how and what we can repair them?-Please send me your e-mail was mixed to send you pictures of the probl
