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LG LMU180HE Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will consistently detect the precise flame during ignition. Due to safety concerns, if the flame sensor senses a problem the whole HVAC system will remain stopped for as long as the problem remains.
Major clues the LG flame sensor needs replacing
- The propane or natural gas finds it impossible to start an ignition sequence and some type of error flashes on the main board
- The unit starts intermittently when the time is right
- Your heating system is unable to begin working when you have it set to
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