If the flame on your gas burner keeps going out when turned to the maximum setting, there are a few possible reasons for this issue:
Insufficient gas supply: The most common reason for a gas burner flame going out is inadequate gas supply. If the gas flow rate is too low, the flame may not receive enough fuel to sustain itself at the maximum setting. This can be caused by a partially closed gas valve, a clogged gas line, or insufficient gas pressure from the source. In such cases, it's important to check the gas supply and ensure it is sufficient.
Airflow issues: Gas burners require a proper balance of gas and air for efficient combustion. If there is inadequate airflow or ventilation around the burner, it can lead to flame instability and flame outs. Make sure the burner area is clean and free from any obstructions that could impede the airflow.
Burner or gas jet clogs: A clogged burner or gas jet can disrupt the flow of gas, causing the flame to go out. Food debris, grease, or dirt can accumulate and block the openings in the burner or gas jet. Cleaning the burner thoroughly can help resolve this issue. Refer to your appliance manual for specific instructions on how to clean the burners properly.
Flame sensor malfunction: Some gas burners have a flame sensor that detects the presence of a flame. If the sensor is dirty or faulty, it may not detect the flame properly, leading to the burner shutting off as a safety precaution. Cleaning or replacing the flame sensor, if necessary, can help resolve this issue.
Other safety features: Gas burners often incorporate safety features such as flame failure devices or thermocouples. These safety mechanisms are designed to automatically shut off the gas supply if the flame goes out. If these safety features are malfunctioning, they could be causing the flame to go out even when the burner is set to the maximum setting. In such cases, it's recommended to have a professional technician inspect and repair the burner.
If you have checked the gas supply, ensured proper ventilation, and cleaned the burner but the issue persists, it's advisable to contact a qualified technician or the manufacturer's customer support for further assistance. They will have the expertise to diagnose and resolve any underlying problems with your gas burner.