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    clb2022's Avatar
    clb2022 Posts: 1, Reputation: 1
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    #1

    Oct 23, 2017, 06:17 AM
    Error Code A893 on G71MPP Series Furance
    Can you tell me what this code is? A893
    I shut the furnace off to change the filters and when I switched it back on the first code was A444. I then raised the temperature to see if the furnace was working, it was, but now the code shows A893. Do you know what this is?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Oct 23, 2017, 01:08 PM
    They are not error codes. If you look at this link, you will see that they are diagnostic codes for stage and air flow.
    Lennox G71MPP error codes ???.
    A stage heating, 893 CFM air flow.
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #3

    Oct 23, 2017, 02:42 PM
    It means the system is gearing up to deliver heat. Here is a manual for future reference.

    https://www.manualslib.com/manual/10...pp-Series.html
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