5509 — MW startup failure
Canon Medical (Toshiba) CT error code, reported by the console error system (EMS).
What 5509 means
On Aquilion 16 and Aquilion RX and Aquilion ONE and Aquilion S16 and Asteion Super4 and Activion16 CT systems, status code 5509 indicates: MW startup failure. The code originates in the Console / software section of the console error system (EMS). Severity level error (Error condition).
Reported action: Console error detected. Re-boot the system. 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 5509
The complete diagnosis, cause tree, and step-by-step remedy for the Console / software subsystem are documented in the FSELIB Canon Medical (Toshiba) service manual — re-authored, web-first, with real figures.
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Related Console / software 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.