80020001 — RDD (disk array) error — command rejected
Canon Medical (Toshiba) CT error code, reported by the RDD (Disk Array).
What 80020001 means
On Aquilion RX / V4-62R004 and V3.20R003 and Aquilion ONE / V4.2 and Aquilion S16 and Asteion Super4 and Aquilion 16 CT systems, status code 80020001 indicates: RDD (disk array) error — command rejected. The code originates in the RDD (Disk Array) section of the RDD (Disk Array). Severity level A1 (Alarm — high severity).
Reported action: Note the operation in progress when the alarm was raised and retry it. Check the RDD status and the system log, and call service if the disk array keeps rejecting commands..
Listed for Aquilion 16, Aquilion RX/V4-62R004, Aquilion ONE/V4.2, Aquilion S16, Asteion Super4 and V3.20R003, under the 40:Device RDD table, where the OEM text reads "Error in RDD (command)." It is classified as a high-severity alarm (A1). On the Aquilion 16, the RDD is the Raw Data Disk Array that the preprocessing/data transmission unit writes the raw scan data to.
Full troubleshooting for 80020001
The complete diagnosis, cause tree, and step-by-step remedy for the RDD (Disk Array) subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated RDD (Disk Array) codes
Related service procedures
Source: errmsg.eng — 40:Device RDD table. Reference information re-authored by FSELIB — not a copy of the OEM manual.