Hello, the condition you would be looking for is "AC Input Lost." It will flag any event that leads to a lack of power input to the server. What are you using for your hardware monitoring?

We used HP servers before and it didn't use any softs for logging because it was shown in ewent vwiever. And dell doesn'. So maybe yo could tell me what is the best software for monitoring? 

Thank you!!!

The Dell recommended software is our OpenManage suite. OpenManage Server Administrator is an instance you can install on individual servers, OpenManage Enterprise would let you manage many servers in one place. The iDRAC also has alerting and management features, including email alerts.