IBM System x3630 M4 shows fan lower critical event - IBM System x3630 M4 (7158)

Resolving The Problem

Source

RETAIN tip: H207461

Symptom

Fan errors are reported at a low ambient temperature (under 20 degrees Celsius) during IBM System x3630 M4 system power on.

Example messages from the Intelligent Platform Management Interface (IPMI) log:

Affected Configurations

The system can be any of the following IBM servers:

• System x3630 M4, type 7158, any model

This tip is not software specific.

This tip is not option specific.

The following system firmware level is affected:

Build ID: 1AOO30D

The system has the symptom described above.

Solution

This behavior will be corrected in a future release of Integrated Management Module II (IMM2) firmware.

The target date for this release is first quarter 2014.

The file is or will be available by selecting the appropriate Product Group, type of System, Product name, Product machine type, and Operating system on IBM Support's Fix Central web page, at the following URL:

http://www.ibm.com/support/fixcentral

Additional information

IMM2 is configured with the default value of the fan speed ambient temperature. The fan speed value sets with an improper value when a system is running with ambient temperature less than 20 degrees Celsius (68 degrees Fahrenheit).