I observed that from a certain temperature the power consumption of the AP increases sharply. By the way, the current Unifi 6 AP also did this.
The connected HP switch then reports “Power Delivery Over Current indication”.
It then briefly interrupts the PoE+ for safety. As a result, there are messages about sporadic reboots of the AP.
I wanted to improve the situation and mounted the AP on an aluminum rail. The air gap was filled by a thermal pad.
This is unnecessary in a cool environment. Screw replacement is not covered under warranty.
However, I was able to reduce temperature peaks this way.
Before: root@unifi:~# ssh email@example.com -t "cat /sys/class/thermal/thermal_zone*/temp" 67000 72000 68000 75000 After: root@unifi:~# ssh firstname.lastname@example.org -t "cat /sys/class/thermal/thermal_zone*/temp" 57000 60000 56000 62000
These values were obtained after 6 hours of streaming with 20 to 30 clients.