P&ID Validation Error Reference

Base AutoCAD Object

Example:
Description:	An AutoCAD object or block (instead of an AutoCAD P&ID component) has been inserted in the drawing. Such blocks do not show up in reports or in the Data Manager, even though they may look like a P&ID component.
To Correct:	Erase the object. Ignore the error.

Size Mismatch

Example:
Description:	The size of a line and its associated component do not match. This condition is usually caused by manual changes to the component properties.
To Correct:	Manually fix Size Mismatch errors. You must change the size of either the line or its associated component at the connection point so that they match. Ignore the error.

Spec Mismatch

Example:
Description:	The specification properties (details such as the component material) for lines and inline components do not match. This condition is usually caused by manual changes to the properties.
To Correct:	Manually fix Spec Mismatch errors. To correct the problem, change the specification property of either the line or its associated component so that they match. Ignore the error.

Non-terminating Line

Example:
Description:	Process lines do not terminate through a connection to an endline component, or do not end with an endline symbol signifying an air vent, water outline, drain, or other valid terminator.
To Correct:	Create a connection with another line or component. Ignore the error.

Unconnected Component

Example:
Description:	No true connection exists for lines and their associated components, even though they appear to be connected. This error may result if a proper connection was never established, or if a component was dragged away from a line.
To Correct:	Create a connection with another line or component. Specific rules apply to the following components: Equipment: All attachment points must be connected to a schematic line. General instruments: At least one signal line must be connected to a general instrument. Inline instruments and control valves: These components must be placed on a pipe line. Tanks and vessels: Tanks or vessels must be connected to at least one pipe line. Tanks and vessels that have a placement point must be connected to a pipe line at the placement point. Ignore the error.

Flow Direction Conflict

Example:
Description:	The flow direction is incorrect for a line or component.
To Correct:	Update the flow direction. Ignore the error.

Orphaned Annotation

Example:
Description:	An annotation tag has been moved away from the component with which it is associated.
To Correct:	Drag the annotation to within the acceptable distance, or tolerance, of its associated object or enter new coordinates. Ignore the error.

Unresolved Off-page Connectors

Example:
Description:	Off-page connectors used to connect the current drawing with another drawing do not specify a valid project location.
To Correct:	Specify a valid connector in another drawing. Ignore the error.