1, subway system failure: subway signal system failure, resulting in abnormal display. In this case, you can wait a while to see if the system will automatically return to normal.
2. Ticket problem: Your ticket is abnormal, such as expired, damaged and reused. Please check your ticket to make sure it is valid.
3. Metro Line Adjustment: Guangzhou Metro will adjust the lines and stations irregularly, resulting in the display information inconsistent with the actual situation. You can check the latest subway route map and confirm your destination and bus route.
4. Equipment update: Guangzhou Metro will update or maintain some equipment, resulting in abnormal display. In this case, you can try to use other devices (such as mobile navigation) to get the correct information.
5. Human operation error: The staff operating the subway equipment made an operation error, resulting in abnormal display. You can reflect the problems to the staff and ask for help in time. In this case, I suggest you keep calm and take corresponding measures according to the actual situation. If you need help, you can ask the subway staff.