S130-S150 Related issues and solutions
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S130-S150 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.

The device has triggered an alarm but does not send an alarm message/cal
1. The device is not "armed". Please use the SMS command or the configuration software to "arm".
2, the battery voltage is too low, can not send text messages, please connect the external power supply to charge the device;
3. The format of the telephone number is incorrect, and the country code should be added, for example, China is 0086.
4. The GSM signal is too low;
5. The SIM card in the device is in arrears.

Can not receive device recover sms
There is an “Ignore” in front of the reset SMS in the configuration software. Do not Ticked it.

Power failure can not receive alarm SMS

Please check if the "power failure alarm" in the configuration software is selected to be ignored.    

[Question]: There is an alarm call when the S150 alarms, but sometimes there is no alarm message.
[Solution]: Replace the SIM card in the device with the card of another carrier. For example, in China, the telecom card installed in the device is replaced by a mobile card.