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1. Make sure that the vacuum cleaner automatically cuts off the power supply due to overheating protection;
2. Immediately hold the plug (not the wire) to separate the plug from the power source;
3. Make sure that the vacuum cleaner is in a state of electromechanical separation;
4. Check whether the dust chamber is filled with garbage and hair;
5. If the dust chamber is full, the dust chamber needs to be cleaned;
6. Check whether the filter screen of the vacuum cleaner is blocked;
7. Thoroughly clean the filter to ensure that the filter is unobstructed;
8. Remove the hose of the vacuum cleaner and check the patency of the hose;
9. If there is a blocked foreign body in the hose, it should be cleaned up immediately to restore the smoothness of the hose;
10. Place the vacuum cleaner in a cool, ventilated environment to cool it naturally;
11. After the thermal cut-off protection device is reset, restart the vacuum cleaner to check the working status;
12. If the vacuum cleaner still cannot be used normally, you need to contact the maintenance center for troubleshooting.
