ER0B — Continuous gantry rotation time-out
Philips CT error code, reported by the Gantry Rotation Control (Stator Control Board).
What ER0B means
On Access Series CT (6/16/Dual) CT systems, status code ER0B indicates: Continuous gantry rotation time-out. The code originates in the Gantry Rotation Control section of the Gantry Rotation Control (Stator Control Board). Severity level alarm (Alarm — stator control board error condition).
Reported action: Cross-reference System Error Code 0x5504 in the system log. Follow the Gantry Rotation Prepare Error flow chart (Section 2.4.5) and inspect the rotor motor servo and rotation drive path for a stall condition before replacing the Stator/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 ER0B
The complete diagnosis, cause tree, and step-by-step remedy for the Gantry Rotation Control subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Gantry Rotation Control 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.