How to let Jetson fan run automatically/when needed

i cant find any information on how to let the jetson tx2 fan run automatically. Is it neccessary to start the fan manually (by script call) or is there any builtin mechanism which prevents the board of overheating with automatically turning on the fan?

If there is no automatically check routine, is it problematically to let the fan always run?

thanks for your supply.

hello tobilab,

may I know which JetPack release you’re working with,
please check the documentation, Fan Management for details about control the fan.
please also check Maximizing Jetson TX2 Performance, fan will always run when you execute script to configure the device as performance mode.

hey @JerryChang, the board uses the Jetpack 4.2.1. The board is set to MAXN mode.
thank you