1, check the gas pipes and valves: first, check whether the gas pipes and valves are normal. If there is a problem with the gas pipeline or valve, it will lead to insufficient or interrupted gas supply and need to be repaired or replaced in time.

2. Check the burner and combustion hole: If the gas pipeline and valve are normal, it is necessary to check whether the burner and combustion hole are blocked or dirty. If the burner or combustion hole is blocked, it will lead to insufficient or abnormal gas combustion and need to be cleaned or replaced.