RB1000 random shutdown

Hello,

i am using v5.12 and in last 4 days router has been shutted down 2 times. Unplug and plugin again of power cord starts router.
What are reasong for shutdown of router ?

Possible failure of the power supply unit inside the box, if the log doesn’t yield any useful information.

Do you mean that i need to replace electrolytes ?
This RB has external PS.

No, I was thinking of the rackmount version that has the power brick inside.

Unfortunately without knowing more about your setup or error conditions, it’s impossible to say what the error is.