The type of critical Interlock failure that occurred.
The value will be one of the following:
noError(1)
No error has occurred.
standby(2)
The server had a power fault that occurred while it was powered off.
runtime(3)
The server was shut down due to a power fault that occurred while it was powered on.
powerOn(4)
The server had a power fault that occurred while attempting to power on.
generic(5)
The server had a power fault but the reason is unknown.