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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