90000012 — GTS is resetting — operation blocked until the reset finishes
Canon Medical (Toshiba) CT error code, reported by the APPL — GTS status check.
What 90000012 means
On Aquilion RX / V4-62R004 and V3.20R003 and Aquilion ONE / V4.2 CT systems, status code 90000012 indicates: GTS is resetting — operation blocked until the reset finishes. The code originates in the GTS (Gantry + Table System) section of the APPL — GTS status check. Severity level 0 (Information / dialog).
Reported action: Wait for the GTS reset to finish before continuing; if the system does not come back or the message persists, check GTS status and power per the service manual..
Toshiba/Canon Aquilion RX (V4-62R004), V3.20R003 and Aquilion ONE (V4.2) CT systems. This is a status message shown while the GTS (Gantry + Table System) is resetting.
Full troubleshooting for 90000012
The complete diagnosis, cause tree, and step-by-step remedy for the GTS (Gantry + Table System) subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated GTS (Gantry + Table System) codes
Related service procedures
Source: Toshiba/Canon CT service error message table (errmsg.eng, Aquilion RX V4-62R004 / Aquilion ONE V4.2). Reference information re-authored by FSELIB — not a copy of the OEM manual.