TA 4551ci F279 Error when coming out of sleep mode

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  • Doug James
    Senior Tech

    Site Contributor
    500+ Posts
    • Jan 2012
    • 935

    #1

    [Error Code] TA 4551ci F279 Error when coming out of sleep mode

    Hello, I am refurbing this machine. It works great but when it goes to sleep. I will push the "on" button then it will error out. I formatted hd u024, u021 memory initilize controller backup. Replaced HDD. Did factory reset and reinstalled f/w. I haven't installed a new MPWB yet. Wanted to get any thoughts on this prior. Thanks for any comments.... Can't find much on this code online...
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22966

    #2
    Re: TA 4551ci F279 Error when coming out of sleep mode

    That's the next step. =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

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    • Doug James
      Senior Tech

      Site Contributor
      500+ Posts
      • Jan 2012
      • 935

      #3
      Re: TA 4551ci F279 Error when coming out of sleep mode

      I ended up reseating the connectors and still got the code. Thinkin it would make a good parts machine... Appreciate you !!

      Comment

      • sparkycivic
        Trusted Tech

        250+ Posts
        • Apr 2017
        • 348

        #4
        Re: TA 4551ci F279 Error when coming out of sleep mode

        I would look really closely at the low voltage pwb, that it's 5v rails are not sagging, rippling or missing during sleep/wakeup. There's should be at least one present to operate the panel and relays for starting the machine.

        Interestingly, I can' tfind "f27x" in several manuals I've tried...

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