We have big problems with the temperature at the RB800, which reaches 60 degrees
routers we are working on 30-60% cpu my opinion, it is quite normal
I can not imagine how it will be when the outdoor temperature reaches 30 degrees
a router is canceled due to high temperature.
if a large number of cancellations, it is possible that we will file a lawsuit against the manufacturer because of poor preparation
to mention, any cancellation RB800 loss that we have to compensate customers
due to interruption of service that we provide them
I do not know just how much bigger heat sink on the processor?
2$ or 3$ more per board?
to say one more time RB800 ROUTERS STOP WORKING .
require the exclusion and inclusion of electricity every hour or breaks down
that shows the right temperature or not, but our teams were in locations where there are routers
RB800 reported that the router is too hot
to add a box in which there are routers with air, and is currently adding an additional two fans, but it is all bad if the manufacturer can not supply such equipment to be
but need to do more update
we use all models that mikrotik has to offer and we never had problems with overheating
I have been having the same issues but no shutdowns yet. Have seen 1 go to 70c sitting by my desk in an enclosure.
I have 4 rb800s lined up. No wireless cards. sitting in open air 75* f room temp. Same firmware. Right out of the box. Why is there such a difference in temps diffs?
Is the temp sensor on the cpu or just somewhere on the board?
I thought the temp issue was on other version’s of ROS (4.6) where it would just show 120c or something. Will upgrade all of them to 4.9 and sound off.
I am running ROS 4.9 on RB800 with daughterboard 604 connected with six radios in a UT7 enclosure. Current tempreture outside is 18 C. CPU tempreture is 48C. Have had no problems yet.
In RouterOS 4.9 temperature is still higher like it is in reality. I have 46C few seconds after power on. I think it have some +16C offset. Same about voltage - RB show 41V , on RB power Jack I have 47V
I installed an RB800 2 days ago. We are using a UT7 enclosure with 3 radio cards. When we started up it was around 18 degrees outside and the RB was was running at 65 degrees without any problems.
This morning however, the outside temperature went up to about 24 degrees, and the RB is now running at 73. We have started getting “extensive data loss” errors and the links keep dropping. I then have to reboot the RB to get the link back up again, but it only lasts a few minutes each time.
My current ROS is 5.0 beta 2, and my firmware is 2.26.
Does anyone have any suggestions? I ran the same setup with an RB600 before and had no issues.
Edit: not sure if it makes a difference, but my cpu is a e500v2.
What wireless card you use? I am not sure that “extensive data loss” problem related with case inside temperature. Can you measure inside temp. with some weather thermometer with external sensor.
no problems at 60 celsius for 1 day
75 c rb reset and have to wait for rb to drop down to 65 to work
we use a ut7 box with r5h and r52hn
this is definitely a temperature problem
Rb600 same cards,same box no problems
data loss only happens after 75c
i do not think the heatsink and small fan is enough cooling
this is a design problem
i have spoken to somebody else and he has the same problems
I just looked at the data sheet on the CPU (Freescale MPC8544E) and the temperature range is 0C to 105C. I wouldn’t think that the CPU would cause extensive data loss at 75C.
Just out of curiosity, have you tried underclocking it?
Drop it down to 667MHz or 400MHz and see if the problem goes away. The slowest Freescale MPC8544E is a 667MHz version. Maybe 800MHz is too fast for some of these CPUs.
The RB600 with similar family CPU was only running at 233MHz.
thanks for the reply
i will try to drop the speed to 667 when it is 24c outside
if this is a cpu speed problem and only some chips can run at 800 it is still a mikrotik problem and they must sort it out
