Error conditionConsole / software

7404 — File system startup failure, SyncChild Cannot Run(Software error)

Canon Medical (Toshiba) CT error code, reported by the console error system (EMS).

What 7404 means

On Aquilion 16 and Aquilion RX and Aquilion ONE and Aquilion S16 and Asteion Super4 and Activion16 CT systems, status code 7404 indicates: File system startup failure, SyncChild Cannot Run(Software error). 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 7404

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.

Start free trialOpen the service manual

7-day free trial · no credit card required

Related Console / software codes

5401File system startup failure, FSYS Cannot Run(IP Address, E: / is missing)5402File system startup failure, RSYS Cannot Run(E: / is missing)5403IDD access error, IDDmgr Cannot Run5508CAN Card Initialization Failed5509MW startup failure5513CPU core setting failure(Not enough number of CPU core )5515FC error between S-CON and PET ACQ (Generation timing: during system startup processing)6231RTMERR_RDD_DISK_ERROR : Error in RDD. Command error.

Related service procedures

Run the console malfunction-diagnosis program (hwtest)Console (Diagnostics)Run the independent MHR PWB test (diagnostics) from the RTM terminalConsole (Diagnostics)Remove the host PC unit (PX74-07959 GR-1/GR-2)Console (Operation)Remove the host PC unit (PX74-08766 GR-1/GR-2)Console (Operation)Remove and install an RDD disk/power-supply unit (Rorke Data)Console (Recon)Remove and install an RDD fan unit (Rorke Data)Console (Recon)
Discuss 7404 with other field engineers in the FSELIB forum

Source: errmsg.eng — Toshiba/Canon CT console (EMS) error message table. Reference information re-authored by FSELIB — not a copy of the OEM manual.