Thread: hvac unit gas
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Old 12-24-2012, 12:37 PM
kurt h kurt h is offline
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a very common problem with the flame rod (sensor) is that over time a thin layer of carbon will build up on rod and send a false signal to the ignition module causing it to lock out.usually you can pull it out and carefully sand the flame rod.reinstall. Make sure you have a good connection to board. And a good ground to furnace where rod holder is attached.
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