ER25 — Slip ring R-stop signal available (per source table wording)
Philips CT error code, reported by the Slip Ring Communication.
What ER25 means
On Access Series CT (6/16/Dual) CT systems, status code ER25 indicates: Slip ring R-stop signal available (per source table wording). The code originates in the Slip Ring Communication section of the Slip Ring Communication. Severity level alarm (Alarm — stator control board error condition).
Reported action: Cross-reference System Error Code 0x5716 in the system log. The source table describes this code verbatim as 'Slip ring R-stop signal available'; check the slip ring R-stop signal wiring (see also V23 'Slipring R-stop signal normal' LED, Table 1-4) before replacing hardware..
Listed in Table 1-3 'Stator Control Board Error Code vs System Error Code' of the Philips Access CT Service Trouble Shooting Guide (459800863401 Rev. C), for the Access Series CT (6/16/Dual) family. Not confirmed for other Philips CT systems.
Full troubleshooting for ER25
The complete diagnosis, cause tree, and step-by-step remedy for the Slip Ring Communication subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Slip Ring Communication codes
Source: Philips Access CT Service Trouble Shooting Guide — 459800863401 Rev. C. Reference information re-authored by FSELIB — not a copy of the OEM manual.