HC10815 — Drum entry sensor S23 not connected or malfunctioning
Agfa CT error code, reported by the Print Drum Module.
What HC10815 means
On DryStar 5500 (Type 5364/100) and DryStar 5503 (Type 5364/300) CT systems, status code HC10815 indicates: Drum entry sensor S23 not connected or malfunctioning. The code originates in the Print Drum Module — Position Sensors section of the Print Drum Module. Severity level alarm (Alarm).
Reported action: Work the connection path first: check the connections to S23 and reconnect or replace the connector if not OK, then connector XS9, then connector P30 on the MEC board, and finally check the wiring from S23 to MEC/P30 with a multimeter and fix it if not OK. If the wiring is good, power off the printer and replace sensor S23; if the fault stays, the sensor function on the MEC board has failed and the MEC board has to be replaced..
Raised on the Drystar 5500/5503 print drum module when the drum entry sensor S23 is not connected or is malfunctioning. Classed as a Defect, and the printer shows "Call service". Its counterpart is HC10814 for the drum passed sensor S24.
Full troubleshooting for HC10815
The complete diagnosis, cause tree, and step-by-step remedy for the Print Drum Module — Position Sensors subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Print Drum Module — Position Sensors 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.