N0B — Patient table warning (grouped code)
Philips CT error code, reported by the Patient Table / Patient Support.
What N0B means
On Access Series CT (6/16/Dual) CT systems, status code N0B indicates: Patient table warning (grouped code). The code originates in the Patient Table / Patient Support section of the Patient Table / Patient Support. Severity level warning (Warning — recoverable condition).
Reported action: Check the specific System Error Code in the log (one of 0x5001-0x5019 listed), then check the Patient Table Motion Control Board LEDs (Section 1.10/1.11) for the matching condition (limit switches, servo, float switches)..
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; maps to System Error Codes 0x5001, 0x5013, 0x5004, 0x5005, 0x5008, 0x5010, 0x5019. Not confirmed for other Philips CT systems.
Full troubleshooting for N0B
The complete diagnosis, cause tree, and step-by-step remedy for the Patient Table / Patient Support subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Patient Table / Patient Support 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.