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International Comfort Products PGF048L120F Flame Sensor
The flame sensor is an important feature that will consistently detect the flame when igniting the system. As with other safety devices, when the flame sensor gets triggered by something the furnace cannot start again until that particular problem is fixed.
Signs of a deteriorating safety flame sensor
- The LP or natural gas will not start an ignition sequence and the system throws an error code
- The heat system is unwilling to fire up and produces an error code on the circuit board
- System will sort of operate sometimes at midnight, but only after the new moon following the fourth Monday of the month
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