HC10921 — Upper pick-up vacuum valve V1 failure
Agfa CT error code, reported by the Film Tray Pick-up Modules (Sensors, Motors & Actuators).
What HC10921 means
On DryStar 5500 (Type 5364/100) and DryStar 5503 (Type 5364/300) CT systems, status code HC10921 indicates: Upper pick-up vacuum valve V1 failure. The code originates in the Film Tray Pick-up — Sensors, Motors & Actuators section of the Film Tray Pick-up Modules (Sensors, Motors & Actuators). Severity level alarm (Alarm).
Reported action: Check the connections to V1, then connector XS4, then connector P31 on the MEC board, reconnecting or replacing any faulty connector found. Check the wiring from V1 to XS4 and from XS4 to MEC/P31 with a multimeter and repair as needed. If the valve is confirmed defective, power off the printer and replace V1; if the fault traces to the board, replace the MEC board..
Raised on the Drystar 5500/5503 when the upper pick-up module's upper-magazine vacuum valve V1 is not connected or is malfunctioning. Filed in the pick-up module sensors/motors/actuators fault-code table with the equivalent lower-tray vacuum-valve code.
Full troubleshooting for HC10921
The complete diagnosis, cause tree, and step-by-step remedy for the Film Tray Pick-up — Sensors, Motors & Actuators subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Film Tray Pick-up — Sensors, Motors & Actuators codes
Source: AGFA DryStar service manual — HC error catalogue (FSELIB authored corpus). Reference information re-authored by FSELIB — not a copy of the OEM manual.