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Forum Discussion
Readynas Pro heat issues
Hopefully this is the right place to post this. I've had my Readynas Pro for about 7 years. Recently the power supply fan started to make funny noises and temperature was kind of high. Scheduled power...
I'm with Stephen here.
You live in California, Google says 28°C today. I have probably around 18°C on the floor where I keep my NAS. Let's say 5°C difference. Then you have 6HDD's, which are going to make a difference for sure. I am not sure when the SYS fan is speeding up, I know it speeds up when the HDD's go beyond 42°C if memory serves, not sure about the SYS temp.
To find out more I stuck an heater in front of the NAS :)
The SYS fan speeds up slightly (927 from 892) till the temp reached 60°C, then it ramps to 1300rpm. The extra airflow manage to cool the box enough so the temp then dropped to 59°C, despite the heater in front of it.
So I put both CPUs to 100%. The CPU fan speed ramped up to 4000rpm within a minute or so, then the HDDs managed in the meantime to go over 42°C and the SYS fan speeded up again to 1700rpm. That again was enough to keep the CPU below 65°C and the SYS below 60°C. It was not going any higher and the SYS fan was not running at 100%.
Once the heater was turned off, it took say 5 minutes to go back to normality (the CPU takes less time). The SYS fan eventually dropped to the usual low speed after more time - the fan is waiting for the HDDs to go below the threshold of 42°C. It took 11 minutes for that to happen.
You live in California, Google says 28°C today. I have probably around 18°C on the floor where I keep my NAS. Let's say 5°C difference. Then you have 6HDD's, which are going to make a difference for sure. I am not sure when the SYS fan is speeding up, I know it speeds up when the HDD's go beyond 42°C if memory serves, not sure about the SYS temp.
To find out more I stuck an heater in front of the NAS :)
The SYS fan speeds up slightly (927 from 892) till the temp reached 60°C, then it ramps to 1300rpm. The extra airflow manage to cool the box enough so the temp then dropped to 59°C, despite the heater in front of it.
So I put both CPUs to 100%. The CPU fan speed ramped up to 4000rpm within a minute or so, then the HDDs managed in the meantime to go over 42°C and the SYS fan speeded up again to 1700rpm. That again was enough to keep the CPU below 65°C and the SYS below 60°C. It was not going any higher and the SYS fan was not running at 100%.
Once the heater was turned off, it took say 5 minutes to go back to normality (the CPU takes less time). The SYS fan eventually dropped to the usual low speed after more time - the fan is waiting for the HDDs to go below the threshold of 42°C. It took 11 minutes for that to happen.
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