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Blinking red light on Trane furnace.

Post created: 2016-03-03 Type of Equipment: Furnace Views: 86

This question was created on the page: https://www.furnacecompare.com/furnaces/trane/xl90.html.


On 2016-03-04 Gary wrote:

The blinking light is to help diagnose problems with your furnace. There may be a chart explaining the pauses and flashes of your diagnostic code on the inside of your furnace's front panel. A steadily flashing light means normal operation, but other flashes may mean there is a problem and require a call to a heating contractor. If you'd like to have a contractor take a look at this, we can help you find one, here.


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