The first machine event I was able to initiated was the Tritilyte Crystal event, where you need to insert the Tritilyte Key to the "box", insert all fuel cell into each laser, and throw Nanite bomb to the Tritilyte crystal within 3 minutes.

The second event is the Kursite grinder. Same mechanic at first, inserting tritilyte key, then we need to collect the kursite core dropped by the infected glyphid (special enemy spawned) under 2 minutes. In my case, I need 4 cores, probably since I play solo and no one joined the session.

Kursite Infection event start

Timer start

Event success