We just replaced of control board this summer and the air works great now we can not get the heat to work. The lights are flashing 3 fast 1 slow. What is the code and how do I fix it?
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We just replaced of control board this summer and the air works great now we can not get the heat to work. The lights are flashing 3 fast 1 slow. What is the code and how do I fix it?
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