Hi, I am having a problem with the PWM fan operation on my jetson nano. After shutdown the fan runs at maximum speed continuously. I have to manually pull the power plug. For additional info: The fan I have is one of the cheaper ones, but during normal running it seems to be controlled by the sys…

So now I checked the pins after shutdown with a multimeter and the value seem fine I get 5.22V at Pin2 TACH is at 5V and PWM is at 0V. So the problem can only be with the fan. It can happen only with the PWM and TACH are switched in the fan. But the wonder of it is that during normal running it …

PWM fan at maximum on shutdown

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano

rreddy78 March 2, 2021, 6:54am 6

I have this flashed:

https://forums.developer.nvidia.com/t/xubuntu-20-04-focal-fossa-l4t-r32-3-1-custom-image-for-the-jetson-nano/121768

I will have to flash with latest image and see

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PWM fan at maximum on shutdown

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