2004 — Preheating timeout
Canon Medical (Toshiba) CT error code, reported by the console error system (EMS).
What 2004 means
On Aquilion 16 and Aquilion RX and Aquilion ONE and Aquilion S16 and Asteion Super4 and Activion16 CT systems, status code 2004 indicates: Preheating timeout. The code originates in the X-ray / tube section of the console error system (EMS). Severity level error (Error condition).
Reported action: Time Out. The scan was not initiated, therefore the system timed out. Solution - Re-confirm to continue. If the problem persists call service..
Reported by the Toshiba/Canon CT console error system (errmsg.eng / EMS error message table), shared across the Aquilion, Asteion and Activion CT platforms.
Full troubleshooting for 2004
The complete diagnosis, cause tree, and step-by-step remedy for the X-ray / tube subsystem are documented in the FSELIB Canon Medical (Toshiba) service manual — re-authored, web-first, with real figures.
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Related X-ray / tube codes
Related service procedures
Source: errmsg.eng — Toshiba/Canon CT console (EMS) error message table. Reference information re-authored by FSELIB — not a copy of the OEM manual.