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  1. #1
    Join Date
    Aug 2006
    Mixing oil and fire with a big spoon.
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    Carrier 30HXA battery question

    30HXA246RZ-650KA...does it have a battery that maintains the memory in the main board? we have been told that if the battery is not changed every 3-4 years then the main board will have to be sent to Carrier to be reprogrammed...any truth to this? if there is a battery that needs to be regularly replaced...where is it?

    we tried our local carrier office but they were not very helpful.

    thank you!
    Someday, I hope to be just as brave as Harry Stamper.

  2. #2
    Join Date
    May 2010
    Post Likes
    Hey there Jay, There is a battery in the PSIO II Module

    CarrierPSIO ll Info.pdf

  3. #3
    Join Date
    Jan 2008
    East of big city prices.
    Post Likes
    According to your model number it is a Comfortlink machine and there is not battery on the MBB for memory.

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