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LG AMNH123DEA0 Flame Sensor
The flame sensor is one of the safety features that can sense the appropriate flame during the initial ignition of the furnace. As with most devices used for safety reason, if the flame sensor is triggered the entire HVAC system will stop for as long as it takes to remedy the problem.
Simple signals your safety flame sensor is in dire straights
- The gas that has entered the furnace refuses to burn and the control shows an error
- The furnace cannot ramp up and completely shuts down
- The furnace will run on certain occasions when it feels like it
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