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Thread: Curious fan bahavior in a TriCaster 460

  1. #1
    Registered User
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    Question Curious fan bahavior in a TriCaster 460

    Something that has been bugging me for a while, now to the point where I figured that it was time to ask.

    There is a fan in our TriCaster 460 that has become quite noticeable, particularly when we are streaming. Fan noise by itself does not bug me that badly, but this one seems a bit odd. When it kicks in, it seems to do so at pretty much full speed, and then tends to yo-yo up and down in speed and pitch for the entire session. Sometimes fairly rapidly. Is this normal, or might there be a fan int he unit that needs to be looked at? The unit is mounted under a desk, but it is not particularly warm in our booth and the fact that it only really seems to wind up when we are actively streaming got me wondering.

    If it is a sign of a fan failing, would rather catch it before it becomes a larger issue.

    Thanks;
    James Willing
    Toronto Cowboy Church

    TriCaster: 460 with AE + CS
    Camera: Panasonic AG-HMG80P, PTZ Optics PT20X-NDI

  2. #2
    Senior Integrated Production Specialist
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    The fans are set to spin up and down as needed based off system load. In the case of streaming it is perfectly normal for it to ramp up as the CPU is used for video encoding. Do you know if there is any space between the top of the 460 and your desk? The system is designed to ventilate thru the back and top so it may need some additiional ventilation.
    Zane Condren
    Senior Integrated Production Specialist

  3. #3
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    About 4-6 inches between the top of the 460 cabinet and the desk. I try to be aware of cooling needs on the equipment. Was just the frequent ramping up and down of the fan that struck me as odd. Does NewTek have a position on opening the units up and clearing accumulated dust and the like from the fans/heat sinks?
    James Willing
    Toronto Cowboy Church

    TriCaster: 460 with AE + CS
    Camera: Panasonic AG-HMG80P, PTZ Optics PT20X-NDI

  4. #4
    Grizzled Veteran jcupp's Avatar
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    Also clean the air filters inside the front doors on the case. If the speed changes bug you you can also go into the CMOS settings and set the fan speed to high permanently.
    -Jeff


    My TriCaster Blog
    TriCaster Tally Lights

    Gear Used: TC1, NC1 I/O, TC 460, TC Mini 4i, TS 100, TS 4000

  5. #5
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    I spend my days (and far too many evenings) surrounded by computers with various styles and levels of howling fans, so I'm fairly used to it.
    What caused me to question this one was it's tendency to change speed dramatically and much more frequently then I generally see in just about
    any situation other than a fan with a bearing either about to seize up or fail all together.

    Not knowing for certain if the video processing board stack might have it's own fan (and it's own behaviors) or not without opening the unit up,
    I figured that it would be better to ask before pulling out the tools.

    So all in all, I'm still undecided... But I will check the filters on the front doors.
    James Willing
    Toronto Cowboy Church

    TriCaster: 460 with AE + CS
    Camera: Panasonic AG-HMG80P, PTZ Optics PT20X-NDI

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