| Common problem | Problem | Solution |
| Poor reception | Use terminals in areas where reception is poor, such as near high-rise buildings or basements, wirelessRadio waves cannot be conveyed | Used in a good signal location |
| Cannot boot | Battery of gps devices is exhausted | Replacement battery |
| Unable to listen | Unable to set SOS number | Set the SOS number |
| SIM does not open caller ID | Open SIM caller ID | |
| Unable to connect to network | SIM card is not installed | Check SIM card |
| SIM card metal has dirt | Wipe with a clean cloth | |
| SIM card is invalid | Contact your network service provider | |
Exceeding the GSM service area | Please move to the network service provider service area | |
| Weak signal | Please move to a place where the signal is strong | |
| Can't find location information | SIM card does not open GPRS function | Please contact your network service provider to enable GPRS function |
| Can't find location data | Restart the terminal; please contact your dealer | |
| Non-SOS number cannot be queried | Please bind the query phone number to the SOS number | |
| Cannot be located after the device is online | Green GPS signal light is always on | The light is always on, indicating that the device is in the positioning state. Please confirm whether the GPS ceramic surface is facing up, and check if there is metal shielding around |
| If the installation method and location are correct | Please try to restart the device and put the device in an open space to use the device's internal battery to check whether the device can be successfully located | |
| The device is offline during use | Check if the SIM card in the device is in arrears | Please contact your dealer |
| If the gps devices have a call function | You can try to dial the SIM card number. Under normal circumstances, the device will automatically hang up. You can send a text message to the device to restart it. If you still can't go online after restarting, please restart manually. | |
| If you call to turn off the phone or can't connect | If the equipment is in good environment and there is driving during offline, please check the equipment manually restart | |
| If the gps devices are manually restarted, it still cannot be online | Please contact your local distributor | |
| Satellite positioning accuracy is not enough | Positioning accuracy is greater than 10 meters | Please confirm whether there is any metal covering in the outdoor open space or GPS antenna installation position |
| Traffic card arrears | Traffic card has expired | Please contact the dealer to recharge |
| The traffic card has not reached the agreed expiration time | The monthly traffic card only provides data traffic packets, and generally does not calculate SMS and call charges | |
| Log in system | This IMEI number does not exist | Contact the dealer to add the IMEI account to the system |
| No user account exists | ||
| Green LED light (power supply) | Fast flashing (light 0.1s, dark 0.1s) | Low battery |
| Slow flashing (lights 2s, dark 2 seconds) | Battery is full / working normally | |
| Slow flash (light 0.1s, dark 2s) | In normal work | |
| Constantly bright | charging | |
| not bright | Battery loss, internal failure | |
| Blue LED (GPS signal) | Fast flashing (light 0.1s, dark 0.1s) | searching GPS signal |
| Slow flash (light 0.1s, dark 2s) | GPS is positioned | |
| not bright | GPS sleep or not working | |
| Red LED(GSM signal) | Blinking (lights 0.1s, dark 1s) | GSM receiving signal is normal |
| Slow flash (light 0.1s, dark 2s) | GPRS online | |
| Constantly bright | Telephone incoming/outgoing | |
| not bright | Did not receive GSM signal or did not insert SIM card |
