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Samsung MH026FECA Flame Sensor
A flame sensor is a regulatory sensor that can reliably detect the correct flame while the system is starting. As expected, if the flame sensor is triggered the furnace will not start for as long as the problem remains.
How can I tell if my primary flame sensor is crapping out?
- The heating system is unwilling to generate heat and will shut everything down
- The gas that has entered the furnace has problems trying to start an ignition sequence and the main board displays on error code
- The furnace will sort of operate rarely when the time is right
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