Failure of the primary collimator may result in unintentional movement of the device. The unintentional movement will not result in the generation of an error message.
Midmark Corp
An error was identified in the Real Time Controller (RTC) firmware versions 3.0, 3.1, 3.2, and 3.3 used in Vantage Panoramic X-Ray systems. The error may cause the column of the Vantage Panoramic X-Ray unit to continue moving vertically despite the release of the movement control button (i.e. failure to stop").