A High efficiency Furnace Main Burner Shuts Off After Initial Ignition
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A high efficiency furnace main burner shutting off after initial ignition is a common problem. This issue can present itself in a variety of ways and is usually caused by issues with the furnace’s flame sensor, gas pressure, or blower motor. In order to diagnose the problem and find a solution, it is important to understand the causes and how to go about resolving the issue.
Common Causes of a High Efficiency Furnace Main Burner Shutting Off
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The most common cause of a high efficiency furnace main burner shutting off after initial ignition is a faulty flame sensor. This sensor is responsible for detecting the presence of a flame in the furnace and signaling the gas valve to open and start the main burner. If the flame sensor is not functioning correctly, the furnace may not be able to ignite the main burner.
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Another common cause of a high efficiency furnace main burner shutting off after initial ignition is an issue with the gas pressure. The gas pressure must be at the correct level in order for the furnace to ignite the main burner. If the gas pressure is too low, the furnace will not be able to ignite the main burner.
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The blower motor can also be a cause of a high efficiency furnace main burner shutting off after initial ignition. The blower motor is responsible for circulating air throughout the furnace. If the blower motor is not working correctly, the furnace may not be able to ignite the main burner.
Diagnosing and Resolving the Issue
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In order to diagnose the issue and find a solution, it is important to first check the flame sensor. If the flame sensor is not working correctly, it can be replaced. It is also important to check the gas pressure and ensure that it is at the correct level. If the gas pressure is too low, it can be adjusted.
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The blower motor should also be checked to ensure that it is functioning properly. If the blower motor is not working correctly, it can be replaced. It is also important to check the furnace filter to ensure that it is clean and free of debris. If the filter is dirty, it should be replaced.
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Once all of these issues have been addressed, the furnace should be able to operate correctly. If the issue persists, it is important to call a professional to diagnose and resolve the issue.
Conclusion
In conclusion, a high efficiency furnace main burner shutting off after initial ignition is a common problem and can be caused by a variety of issues. It is important to understand the causes and how to diagnose and resolve the issue in order to find a solution. If the issue persists, it is important to call a professional for assistance.
A High Efficiency Furnace Main Burner Shuts Off - Jeremy-has-Pham
I have a 12 error code on my furnace. The main blower runs, then shuts
A High Efficiency Furnace Main Burner Shuts Off - Jeremy-has-Pham
