when do i start worrying

RouterOS General
1

hi
under system health i get system volts
i also get system temp which seems to sit around 40c

at what tempature should i start to worry and what might i do to mitigate in that case

Thanks
brees

2

When it approaches or exceeds the specifications for the product.
http://www.routerboard.com

3

Nearly all RouterBOARD devices can work fine up to +70C.