RTU5025 Related issues and solutions
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RTU5025 Related issues and solutions
Send SMS instructions to the device and the device does not response
1.Look at the flashing of the signal light to determine whether the device has registered the signal;
2. Is there any error in the device password, default 1234, if it has been changed in the configuration software, the new password should be used;
3. Is there any error in the short message instruction? Notice that there is no "+", and "#" is under the English input method;
4. Whether the mobile phone card in the device has the SMS function enabled;
5. If you use SMS APP to send short messages to the device without reply, please check whether the mobile phone has the right to send short messages and make phone calls to SMS APP.

Device not registered to signal
1. Check whether the external power supply is connected or not, or whether the external power supply is power-off.
2. Check whether the module version and the card in the device are universal or not, and whether the module model (2G/3G/4G) installed in the device is correct. For example, in China, 2G devices do not support Telecom cards, 3G devices do not support mobile cards, and 4G devices support all netcom.
3. Whether the SIM card is loose or not;
4. There is a problem with the card slot contact of the device.adjust higer the pins of the card slot with a tweezers,and install the card again.

Open configuration software Unable to find COM port
1, the driver is not installed;
2, computer system problems, the driver installation is not successful, may need to re-install a higher version of the system, temporarily does not support the Apple operating system;
3. Check if the USB cable is damaged.
4.Open the configuration software, right-click -- run as administrator

SMS is normal,phone call can not control relay
1. Send SMS command 1234CC (1234 is the default password of the device. If it is modified, use the modified password) to close the relay and see if the relay can be operated. That is to check whether the relay is broken.
2. If the SMS command can control the relay and prove that the relay is normal, please check whether the mobile phone number is activated by the caller ID function, or try another card of another operator.