Main control battery
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  1. #1
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    Default Main control battery

    Hi Folks
    I'm just wondering how long the Main Control coin type battery in my 2019 VF4SS is supposed to last, and how much warning will I get when it's getting to the end of life.
    Haas website is not clear on these questions.
    Thanks

  2. #2
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    It should last a couple years, and when it dies the machine will start up with a "RTC Failure" window. And ask you to reset the time.

    The NGC controllers only use the battery for the real time clock, all your configs and user programs are safe on nonvolatile memory (flash).


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