ER34 — DMS (detector fan/heater) error (grouped code)
Philips CT error code, reported by the DMS Fan and Heater (Detector Cooling).
What ER34 means
On Access Series CT (6/16/Dual) CT systems, status code ER34 indicates: DMS (detector fan/heater) error (grouped code). The code originates in the DMS Fan and Heater (Detector Cooling) section of the DMS Fan and Heater (Detector Cooling). Severity level alarm (Alarm — stator control board error condition).
Reported action: Check the specific System Error Code in the log, then verify the DMS Fan and Heater Assembly per Section 1.14 (RCOM LEDs 5V/ANEG/APOS, and the register 0xb104 functional test) before replacing the fan/heater assembly..
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 0x5901, 0x5903, 0x5905, 0x5908, 0x5909, 0x5910, 0x5911, 0x5913. Not confirmed for other Philips CT systems.
Full troubleshooting for ER34
The complete diagnosis, cause tree, and step-by-step remedy for the DMS Fan and Heater (Detector Cooling) subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated DMS Fan and Heater (Detector Cooling) 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.