1. Due to the problem with the SIM card

　　If the car GPS positioner works in a special environment, it will cause the SIM card body to be damaged or deformed. For example, some engineering vehicles work in high temperature environments. If the equipment card is an ordinary card, it is easy to deform and damage at high temperature. In this way, the SIM card cannot work normally, and the equipment is offline.

　　2. GPS equipment is in the signal blind area

　　The offline alarm caused by this signal is common, because the platform cannot receive the information of the GPS positioner. This situation is very simple. After the signal is left, it will return to normal after receiving the signal.

　　If the SIM card is in poor contact or damage, it is required to help the professionals. If the card is damaged, let the manufacturer be installed again. If you are not a professionals, do not change your card easily to avoid damage to the equipment.

　　Third, the equipment expires or is arrears

　　The SIM card of the car GPS positioner, or the arrears, or the changes in the flow package, which will also lead to offline devices. The processing method of these situations is to contact the supply of after -sales inquiries whether to stop the cost, or the changes in the cost of the flow package causes the traffic cannot be used. If there is a bad fee, the recharge payment can be used again.

　　Fourth, the GPS positioner causes problems without electricity

　　The car GPS positioner will also lead to the equipment offline without electricity. For wired equipment, the line may be loose, or the equipment is installed on a very electric circuit of the car. The equipment is installed in a very electric circuit. As the vehicle power failure equipment will not be able to power the power, the power outage alarm or insufficient power will occur. When the vehicle is started normally, the equipment will return to normal. This may be connected to a very electric circuit. If it is a wireless device, check whether the battery of the device is insufficient. If the battery is out of power, charge it or replace the battery.

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