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LG LP090HED1 Flame Sensor
The flame sensor is a very important part of the safety feature set that senses the correct flame during ignition. As with most devices used for safety reason, if the flame sensor senses a problem the whole HVAC system will remain stopped for as long as it takes to remedy the problem.
Key signs of an unhealthy furnace flame sensor
- The whole system turns on sometimes at the stroke of midnight after the second full moon following the second Sunday of the month
- Your system will not begin operations when you crank the thermostat up
- The gas supplying the furnace cannot begin an ignition sequence and the main board displays on error code
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