ER33 — Rotor Control Board general error
Philips CT error code, reported by the Rotor Control Board.
What ER33 means
On Access Series CT (6/16/Dual) CT systems, status code ER33 indicates: Rotor Control Board general error. The code originates in the Rotor Control Board section of the Rotor Control Board. Severity level alarm (Alarm — stator control board error condition).
Reported action: Check the Rotor Control Board LED indicators (Table 1-1/1-2) for a specific failing signal/power rail; if unresolved, replace the Rotor Control Board..
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 ER33
The complete diagnosis, cause tree, and step-by-step remedy for the Rotor Control Board subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Rotor Control Board 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.