Point Machine Fault Stimulation Point Machine Fault Stimulation Based on Intermittent/Obscure Failure Guide: Point Machines (Power Operated Points). Select fault type: — Choose a fault scenario — Motor does not operate / weak operation Motor operates but points do not move Points move but do not lock Points locked but not detected Intermittent / obscure failure (mixed symptoms) Stimulate Fault This page is for training and conceptual simulation only—no live equipment is being controlled.