CPU temp higher all of a sudden.

[133794m3r]

The past few days the CPU temp is sitting ~80*C for no reason. The CPU load reports to be less than 10%, the only thing I can think of is that maybe the crappy TIM they used has dried up and now the SOC is just sitting there cooking. The other question I have is do these SOCs support cpufreq or some similar dynamic clocking module because that could be another thing that's gotten stuck somehow. I'm running the latest version of merlin(because I thought it could be an issue with my older version) and it's still reporting high temps even though the AC is on and it's in the same spot it's always been.

 

[microchip]

There is no power management on ASUS routers so the CPU runs at full speed all the time. 80°C is not unheard of for ASUS routers. If you're concerned, get a cheap fan and let it blow at it to cool it down. I do the same for my R7800 when it gets hot in the summer

 

[AndreiV]

Is that on the AC87U? If so that is cool for that model, the heat sink is on the plastic casing

When I had an 87U it would show temps up to 98C . Placing it on a laptop cooler sorted the problem.

 

[martinr]

The past few days the CPU temp is sitting ~80*C for no reason. ...

You didn’t say what the temperature was beforehand. Are you in the northern hemisphere and has the ambient temperature gone up in a heatwave?

 

[Mutzli]

Are you running the new 884.13 alpha2 on a RT-AX88U? If so then you are right, Asus turned off CPU wait time in the latest build. You can try to turn it back on with this command:
Code:
pwr config --cpuwait on
But it might cause some issues since there was probably a reason Asus turned it off.

 

[Rob Q]

The house is a lot cooler today than the other day but here is what my RT-AC1900P tends to sit at and I am seeing no issues with the network.
2.4 GHz: 51°C - 5 GHz: 54°C - CPU: 78°C

 

[Grisu]

The house is a lot cooler today than the other day but here is what my RT-AC1900P tends to sit at and I am seeing no issues with the network.
2.4 GHz: 51°C - 5 GHz: 54°C - CPU: 78°C

This is in normal range for 1900P.

 

[WuTang LAN]

Perfectly normal temps.

 

[Val D.]

The past few days the CPU temp is sitting ~80*C for no reason.

Flu season, probably. You could share with us at least the router model.

 

[pitroy]

With one usb fan 8cm (1$), my ac86u's temp drop from 78 to 56°C even when cpu fullload

 

[unsynaps]

Looking to get https://www.amazon.com/dp/B0721SYYTF/?tag=snbforums-20 .

https://www.skooterblog.com/en/2019...roteador-asus-rt-ac86u-e-rt-ac68u-aliexpress/

I have an 86 but its the same basic design as the 68. Hopefully that will cool it down a bit (running aroun 87c in the non AC closet it is in).

 

[Val D.]

Looking to get https://www.amazon.com/dp/B0721SYYTF/?tag=snbforums-20 .

I have a similar cooling solution on my RT-AC86U, DIY version with 2 x 70mm 12V fans running on 5V.

2.4GHz: 44C - 5GHz: 51C - CPU: 48C

Ambient room temp is 26C. Never seen any Radio/CPU temp going above 58C.
Fans and the back of the router collect some dust though, need cleaning from time to time.