The calculated pressure drop of this pump is not computed because the critical path is not a closed loop. Check to see if there are other pumps intended for use within a secondary/tertiary loop. Use the Add Separation tool to define the secondary/tertiary loop.

public static FailureDefinitionId PumpPressureNotComputed { get; }

Public Shared ReadOnly Property PumpPressureNotComputed As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ PumpPressureNotComputed {
	FailureDefinitionId^ get ();
}