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LG LMU240HE Flame Sensor
The flame sensor is only used on furnaces that burn gas and is one that will consistently detect the acceptable flame during ignition. As you could guess, if the flame sensor senses a problem the whole HVAC system will remain stopped for as long as it takes to remedy the problem.
Signs of a poorly working primary flame sensor
- The whole system operates intermittently whenever it pleases
- Your gas furnace is unwilling to ramp up when it is supposed to
- The type of gas you use will not even try to start an ignition sequence and the main board displays on error code
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Before you decide on buying or ordering a replacement flame sensor for your LG LMU240HE do your best and double check the correct model and also make a visual inspection in order to be sure the correct flame sensor is being ordered. There is no rule that says you have to install it yourself. Locate a pro in your community to pay to install it for you.
Feel free to download your manual for help.
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