What is Philips CT error code N18?

Monitor channel A warning. It is reported by the Stator Control Board (Gantry Control Electronics) on Access Series CT (6/16/Dual) CT systems. Severity: Warning — recoverable condition; subsystem: Gantry Control (Stator Control Board).

What should a field engineer do about N18?

Cross-reference System Error Code 0x5728. Monitor for recurrence on monitor channel A; if it repeats together with the channel B warning (n19) or escalates to Er3c, treat as a Stator Control Board issue.. Isolate the Gantry Control (Stator Control Board) subsystem and follow the status-code troubleshooting in the service manual. FSELIB documents the full diagnosis and remedy for the Access Series CT (6/16/Dual).

Warning — recoverable conditionGantry Control (Stator Control Board)

N18 — Monitor channel A warning

Philips CT error code, reported by the Stator Control Board (Gantry Control Electronics).

What N18 means

On Access Series CT (6/16/Dual) CT systems, status code N18 indicates: Monitor channel A warning. The code originates in the Gantry Control (Stator Control Board) section of the Stator Control Board (Gantry Control Electronics). Severity level warning (Warning — recoverable condition).

Reported action: Cross-reference System Error Code 0x5728. Monitor for recurrence on monitor channel A; if it repeats together with the channel B warning (n19) or escalates to Er3c, treat as a Stator Control Board issue..

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 N18

The complete diagnosis, cause tree, and step-by-step remedy for the Gantry Control (Stator Control Board) subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.

Open the Activion16 service manual

Related Gantry Control (Stator Control Board) codes

ER0EGantry foot switch error ER0FHost-to-Gantry interface board cable abnormal ER12Temperature measurement board communication time-out ER13Temperature measurement board communication CRC error ER14Stator Control Board A/D converter communication time-out ER15Stator Control Board A/D converter self-detect failed ER16CAN command send time-out ER17CAN inquiry command time-out

Discuss N18 with other field engineers in the FSELIB forum

Source: Philips Access CT Service Trouble Shooting Guide — 459800863401 Rev. C. Reference information re-authored by FSELIB — not a copy of the OEM manual.