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    sprinters1 Posts: 2, Reputation: 1
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    Jan 9, 2013, 07:52 AM
    York diamond 80 diagnostic code flashes 4 times
    What started all this is my wife wanted heat. We turned on the thermostat, and the blower would not come on. The diagnostic light was flashing four times. Inside the door for the diagnostic codes it said auxillary/limit switch open. Couldn't find that so I just replaced the control board. Now I'm getting the same code and it says it could be numerous things, but the one that makes the most sense is the blower motor as when I put my hand on the back of the motor where the wires go in it is hot?

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