Changes for page NSPH01-NB-IoT Soil pH Sensor User Manual
Last modified by Bei Jinggeng on 2024/03/30 17:53
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edited by Bei Jinggeng
on 2024/03/30 17:53
on 2024/03/30 17:53
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... ... @@ -774,18 +774,6 @@ 774 774 This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**. 775 775 776 776 777 -== 6.4 Possible reasons why the device is unresponsive： == 778 - 779 - 780 -1. Check whether the battery voltage is lower than 2.8V 781 -2. Check whether the jumper of the device is correctly connected 782 - 783 -[[image:image-20240330174534-1.png]] 784 -3. Check whether the switch here of the device is at the ISP（The switch can operate normally only when it is in RUN） 785 - 786 -[[image:image-20240330174542-2.png]] 787 - 788 - 789 789 = 7. Order Info = 790 790 791 791
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