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Carrier 48GX Flame Sensor
A flame sensor is a device that will dependably sense the acceptable flame when igniting the system. As with most devices used for safety reason, when the flame sensor gets triggered by something the whole HVAC system will remain stopped until the problem is dealt with.
What symptoms are present when the primary flame sensor needs replacing?
- System works intermittently when it thinks it should
- The gas that has entered the furnace has problems trying to properly ignite and the control shows an error
- The heating system is unable to ramp up and shows an error code on the board
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