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    thardy01's Avatar
    thardy01 Posts: 2, Reputation: 1
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    #1

    Nov 7, 2011, 02:37 PM
    My Nordyne Heat/AC won't heat and the blower keeps running
    I have a Nordyne Model GR4GA-024k072C gas heater. The Blower runs constantly no matter what thermostat setting and its not producing any heat. When I took off the cover it has a red light flashing. Was wondering how to go about figuring what's wrong.

    Thanks in advance for any help.
    thardy01's Avatar
    thardy01 Posts: 2, Reputation: 1
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    #2

    Nov 7, 2011, 11:23 PM
    After doing some more research Ive determined that the light is just flashing code 1 which I believe means "Limit circuit open or external load on "W"" If that's the case am I correct, that I can just jump the Limit Switch (56 in the attached diagram) or the Roll-out Limit Switch (65 in the attached diagram) to see which is the cause? Is there anything else that I'm missing or am I completely off base?
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  1. File Type: pdf AC diagramrr.pdf (788.8 KB, 464 views)
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