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  1. #1
    Field Supervisor 500+ Posts Zeldaman's Avatar
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    MPC-3502 sc554-00(holy sh..!)

    Hi there!20121112_140537.jpg
    Found this fuser on a brand new machine with sc-554-00. Take another fuser out of a showroom-device & installed it. Guess what? The sc-code didn´t disapear! After some really nice changing of PWB´s it was the tiny, little BICU-Board & the Eprom. Have to change the serial number, then it was OK. Who, for God´s sake is constructing such a crap of a fuser????
    Greetings...

  2. #2
    Senior Tech 250+ Posts
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    Re: MPC-3502 sc554-00(holy sh..!)

    Did you try SP 5-810 to clear the SC code before swapping boards around? If it was a failure out of the box it should be worth chasing warrantee.

  3. #3
    Field Supervisor 1,000+ Posts Eric1968's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    Quote Originally Posted by SargeNZ View Post
    Did you try SP 5-810 to clear the SC code before swapping boards around? If it was a failure out of the box it should be worth chasing warrantee.
    x2

    Resetting a Fusing Unit error by changing the BICU and NVRAM... That's also a way to solve it....

  4. #4
    Service Manager 1,000+ Posts Llama God's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    You need to order the complete fuser unit as a spare part. These units have a fuse in that blow and enable the second option in SP5810.

    Alternatively, replace the Eeprom (NVRAM) and repair the fuser. Then, once this is working, back up the NVRAM data (this can be used to restore a "good" copy of the NVRAM data later.)

    The best advice I can give is to back up the NVRAM data on all of your MP/MPc**02 machines and the MPc305.

    I feel your pain, I've been through this shitstorm.

  5. #5
    Field Supervisor 500+ Posts Zeldaman's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    Hi there!
    Of course i used the sp-5810 to reset it, but their was no way to reset it. Only after changing the BCU & eprom (it was blown by the fuser) the engine was running again. With the "old" eprom the message sc-554-00 instantly apeard! I´m not swapping around boards for fun. Never change a running system!
    Greetings...

  6. #6
    Service Manager 1,000+ Posts Llama God's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    Quote Originally Posted by Zeldaman View Post
    Hi there!
    Of course i used the sp-5810 to reset it, but their was no way to reset it. Only after changing the BCU & eprom (it was blown by the fuser) the engine was running again. With the "old" eprom the message sc-554-00 instantly apeard! I´m not swapping around boards for fun. Never change a running system!
    Greetings...
    The error is stored on the EPROM, hence it reappearing. You don't have to replace the BICU, this confuses me.

  7. #7
    Professional Moron 2,500+ Posts TonerMunkeh's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    We've been instructed to take backups of all MPC4502/5502 NVram's at install. Apparently then the fix is to replace the fuser and reload the good NVram data.
    It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

    Hit it.

  8. #8
    Service Manager 1,000+ Posts Llama God's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    Quote Originally Posted by TonerMunkeh View Post
    We've been instructed to take backups of all MPC4502/5502 NVram's at install. Apparently then the fix is to replace the fuser and reload the good NVram data.
    That's what I said earlier on, the BICU thing is what I'm confused about.

    How's it going, sugar tits?

  9. #9
    Professional Moron 2,500+ Posts TonerMunkeh's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    One sentence basically describes it - same shit, different day. Hope the situation's improved at your place anyway.
    It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

    Hit it.

  10. #10
    Service Manager 1,000+ Posts Llama God's Avatar
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    Re: MPC-3502 sc554-00(holy sh..!)

    Quote Originally Posted by TonerMunkeh View Post
    One sentence basically describes it - same shit, different day. Hope the situation's improved at your place anyway.
    Nope.

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