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Thread: Wii internal fan - Voltage?

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    Wii internal fan - Voltage?

    My Wii started shutting down after about 10 minutes of play. I found the internal fan was not running. If I spin the blades, it takes off and works but makes a funny noise.

    I found replacement fans that show 5V. Checking the voltage on the power connector is only 0.5V. I did not run it for very long so I didn't get anything too hot.

    1. Should 5V be present immediately upon power-up or does the Wii have to get to a certain temp. before the fan turns on?

    2. Did the malfunctioning fan damage something on the circuit board to cause the voltage problem?

    Greg

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    Retired WiiHacks Staff Tealc's Avatar
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    The Wii fan is rated at 5v. I looked into it once for a replacement for someone. You can also buy third party fan boosters that sit on the back of the Wii and draw the heat out from the Wii internals.
    Not really doing much Wii stuff these days.

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    The Wii fan is rated at 5v
    Should there be 5V present on the connector at all times, or does the fan cycle on and off depending on temperature?

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    No idea m8. Considering the fan is near silent I'd imagine it just runs all the time.
    Not really doing much Wii stuff these days.

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    The fan will operate at +5vDC when the thermistor reaches a predetermined threshold and oscillates switching of this voltage to reduce overheating.

    So the answer is no, there should only be voltage present when the thermistor (thermal resistor), calls for it.
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