Temperature / Fan reboot problem?


  • When I installed the beta firmware it has a fan / temperature readout and I am experiencing constant reboots.
    My question is my temp consistently reads 143-150 f
    And my fan is only spinning 540 rpm.
    The technical specs for the Alien say operating temp of 14-113
    Are some of these Aliens that are experiencing these reboots overheating?

    Did something in the latest firmware change the fan speeds or can you boost the fan to cool these things?
    Didn’t have any of these problems a month ago when new.


  • Hi, I'm having a similar problem. My AlienFi updated it's firmware and now the temp seems to vary from 139*F-150*F with a fan never reading over 500 rpm. I'm worried this is going to harm my device if it sustains this too long. Is there a way to either roll back to the previous firmware or some sort of backdoor over ride in a shell that I can use to turn this fan up higher? My device is warm, my Ethernet ports don't seem hot. I've tried rebooting it with no luck.


  • @Stephanie-Sunshine those temps and fan speeds are fine unless your Alien starts constant rebooting. If it’s running fine then you have no need to roll back. The temp and fan speeds on the display are part of the newer firmware. Rolling back it will be the same but you just can’t see that information.
    I started this thread trying to solve an issue with my Alien suffering from constant reboots and I was assuming it was heat related.


  • Hi @Stephanie-Sunshine - in the AmpliFi Alien Firmware v3.4.0 thread @UI-Brett mentioned "Mine (Alien) on average is between 140-160 consistently which is normal operation"


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