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LG ARNU483TMC2 Flame Sensor
The flame sensor is a regulatory sensor that will sense the correct flame when igniting the system. As with other safety devices, if the flame sensor is triggered the gas valve is shut off and the system halts for as long as it takes to remedy the problem.
Signals of a barely functioning primary flame sensor
- The whole system operates intermittently at midnight, but only after the new moon following the fourth Monday of the month
- The type of gas you use will not even try to begin igniting and the board throws an error
- Your system cannot even start and will shut everything down
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