Array controller P420 located in server slot 2 has reported that it previously locked up with code 6

[igymo]

This morning I found out that one of my DC server was shutdown during night. Only thing i foubnd in log was this error. anybody any tips what to do. It seems like a glitch

Log Name:      System
Source:        Cissesrv
Date:          4.4.2017. 5:25:28
Event ID:      24803
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      MODC2.
Description:
Array controller P420 located in server slot 2 has reported that it previously locked up with code 64024339.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Cissesrv" />
    <EventID Qualifiers="33845">24803</EventID>
    <Level>3</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2017-04-04T03:25:28.000000000Z" />
    <EventRecordID>4132453</EventRecordID>
    <Channel>System</Channel>
    <Computer>MODC2</Computer>
    <Security />
  </System>
  <EventData>
    <Data>Cissesrv</Data>
    <Data>P420 located in server slot 2</Data>
    <Data>64024339</Data>
  </EventData>
</Event>