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Goodman GDH80904BXCA Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that can reliably detect the proper flame when the system starts. As with most safety features, if the sensor get triggered the furnace cannot start again until the main issue is remedied.
What symptoms are present when the flame sensor is almost dead?
- The furnace will not start and produces an error code on the circuit board
- The unit operates on certain occasions when it wants to
- The main type of gas refuses to try to burn no matter what
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