E1211 — RAID controller (ROMB) battery missing, bad, or unable to recharge due to thermal issues
Philips CT error code, reported by the MND Extended Storage Server (Dell PowerEdge 2900 hardware).
What E1211 means
On Mobile Network Device (MND) Extended Storage Option CT systems, status code E1211 indicates: RAID controller (ROMB) battery missing, bad, or unable to recharge due to thermal issues. The code originates in the Battery (CMOS/RAID controller) section of the MND Extended Storage Server (Dell PowerEdge 2900 hardware). Severity level alarm (Alarm — hardware fault).
Reported action: Reseat the RAID battery (see Replacing the SAS RAID Controller Daughter Card Battery in the PowerEdge 2900 Hardware Manual) and check System Cooling Problems (p.72) if it recurs..
Listed as an LCD front-panel status/error code ('ROMB Batt', Table 2 LCD Status Messages, p.20) for the Dell PowerEdge 2900-based server hardware in the Philips MND Extended Storage Option Troubleshooting Guide (Rev A, 4598 004 17081).
Full troubleshooting for E1211
The complete diagnosis, cause tree, and step-by-step remedy for the Battery (CMOS/RAID controller) subsystem are documented in the FSELIB Activion16 (TSX-031A) service manual — re-authored, web-first, with real figures.
Open the Activion16 service manualRelated Battery (CMOS/RAID controller) codes
Source: Philips Mobile Network Device (MND) Extended Storage Option Troubleshooting Guide, Rev A — 4598 004 17081 (LCD Status Messages table). Reference information re-authored by FSELIB — not a copy of the OEM manual.