17939 — Exposure Interlock aborted scanning
GE Healthcare CT error code, reported by the CT service knowledge base.
What 17939 means
On LightSpeed and VCT and BrightSpeed and Discovery CT systems, status code 17939 indicates: Exposure Interlock aborted scanning. The code originates in the CT systems section of the CT service knowledge base. Severity level error (Error condition).
Documented across 60 GE CT service cases on LightSpeed, VCT, BrightSpeed, Discovery. Reported symptoms include: Scanner Hardware Stopped Scan; Scan hardware Stopped Scan with scan data errors; Scanning aborted with Buffer overrun detected during scan data transfer.
Full troubleshooting for 17939
The complete diagnosis, cause tree, and step-by-step remedy for the CT systems subsystem are documented in the FSELIB GE Healthcare service manual — re-authored, web-first, with real figures.
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Related CT systems codes
Source: GE service knowledge base — aggregated across 60 cases. Reference information re-authored by FSELIB — not a copy of the OEM manual.