182116 — OBC LAN watchdog timeout during an AutoMA scan (STC Master Exception Handler)
GE Healthcare CT error code, reported by the GE LightSpeed CT platform.
What 182116 means
On LightSpeed Plus and LightSpeed QX/i and LightSpeed Ultra and LightSpeed 16 and HiSpeed QX/i CT systems, status code 182116 indicates: OBC LAN watchdog timeout during an AutoMA scan (STC Master Exception Handler). The code originates in the Table / Gantry section of the GE LightSpeed CT platform. Severity level error (Error condition).
Reported action: This is a known LS2002 Table/Gantry firmware defect, not a hardware failure — avoid replacing boards. Try scanning without AutoMA, or perform a hardware reset from the Utilities screen, and check the service manual for the software builds it affects and any available patch..
Logged by the OBC's STC Master Exception Handler (exm_lan_wdog.c) on LightSpeed 2.x/3.x/4.x Table/Gantry systems when the OBC LAN watchdog trips on the last image of a series scanned with AutoMA enabled.
Full troubleshooting for 182116
The complete diagnosis, cause tree, and step-by-step remedy for the Table / Gantry subsystem are documented in the FSELIB GE Healthcare service manual — re-authored, web-first, with real figures.
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Related Table / Gantry codes
Source: GE Offline Knowledge (kOffline). Reference information re-authored by FSELIB — not a copy of the OEM manual.