5221 — Injector communication error. : Serial connection failure. It may happened when injector power off.
Canon Medical (Toshiba) CT error code, reported by the console error system (EMS).
What 5221 means
On Aquilion 16 and Aquilion RX and Aquilion ONE and Aquilion S16 and Asteion Super4 and Activion16 CT systems, status code 5221 indicates: Injector communication error. : Serial connection failure. It may happened when injector power off.. The code originates in the Contrast injector section of the console error system (EMS). Severity level error (Error condition).
Reported action: Injector error detected. Check the injector and the connection. 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 5221
The complete diagnosis, cause tree, and step-by-step remedy for the Contrast injector subsystem are documented in the FSELIB Canon Medical (Toshiba) service manual — re-authored, web-first, with real figures.
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Related Contrast injector 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.