Alarm — control panel faultOperator Control Panel (Left/Right)

ERR4 — Control panel error Err4 — gantry Tilt Error

Philips CT error code, reported by the Operator Control Panel.

What ERR4 means

On MX 16-slice CT CT systems, status code ERR4 indicates: Control panel error Err4 — gantry Tilt Error. The code originates in the Operator Control Panel (Left/Right) section of the Operator Control Panel. Severity level alarm (Alarm — control panel fault).

Reported action: "Err4" on the Control Panel display indicates: Gantry Tilt Error. The guide lists this as a Control Panel error code (Table 4) without a separate corrective procedure beyond the description; check the cabling/communication path and the corresponding subsystem (patient table, gantry tilt, Stator Control Board, or Patient Table Motion Control Board) named in the description..

Documented in the Philips MX 16-slice CT Service Troubleshooting Guide (455019303481 Rev. G), Table 4 "Control Panel Error Code", as a code shown on the (Left/Right) Control Panel display. Not confirmed by this document for other Philips CT systems.

Full troubleshooting for ERR4

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

Open the Activion16 service manual

Related Operator Control Panel (Left/Right) codes

PERRControl panel error PErr — the Control Panel CAN cable is mistakenly plugged into the Patient Table CAN port on the Gantry Interface BoardCERRControl panel error CErr — the panel does not receive the signal from the UCOMERR3Control panel error Err3 — patient Table Height errorERR5Control panel error Err5 — the Communication between Panel and Stator Control Board time-outERR6Control panel error Err6 — the Communication between Panel and Patient Table Motion control Board time-outER2ALeft control panel errorER2BRight control panel errorN0CLeft control panel warning (grouped code)
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Source: Philips MX 16-slice CT Service Troubleshooting Guide — 455019303481 Revision G (Preliminary, 3 February 2016). Reference information re-authored by FSELIB — not a copy of the OEM manual.