1. During daily use, situations such as overflowing pots may occur, causing blockages in the burner cap holes. After cleaning the burner holes, normal operation can be restored. Explain the cleaning and maintenance methods clearly to the user. 

2. After the user cleaned the burner cap but did not install it properly, reinstall the burner cap without any gaps to restore normal operation. This has been explained clearly. 

3. The machine is normal, but the user fails to press the  properly. The  needs to be pressed all the way down and turned counterclockwise to the high-fire position, then released after 3-5 seconds. Explain the correct operation method clearly to the user. 

4. The socket in the user's home has no power (adapter model), causing the gas stove to fail to ignite, and the explanation has been provided clearly. 

5. The power cord at both ends in the user's home is loose and not properly plugged in (adapter model), causing the gas stove to fail to ignite. The issue has been clearly explained.