hi everyone,
I have a small farm with 12 T17 40THS
the cooling system and air-conditioning is well
the Devices face the same problem one after another, and that problem is:


That will turn off the hashboard, while the next device is running smoothly at that moment ,However, the temperature of the farm is usually between 10 and 30 degrees Celsius.
I've reboot them several times but the problem apeare in about 1 day.
is there any sujestion please?