Multiple false errors on second power supply after powering on system

Troubleshooting

Problem

Multiple false alarms of second power supply could be seen when the first AC power supply is powered on. In this case, the system fault Light Emitting Diode (LED) will light and power supply related errors will be logged in the Integrated Management Module (IMM) System Event Log (SEL).

Resolving The Problem

Source

RETAIN tip: H203934

Symptom

For example, the following errors could be reported:

	1 \| 06/28/2010 \| 00:58:23 \| Fan PS 2 Fan Fault \| Transition to Critical from less severe 2 \| 06/28/2010 \| 00:58:23 \| Power Supply PS 2 Therm Fault \| Transition to Critical from less severe 3 \| 06/28/2010 \| 00:58:23 \| Power Supply PS2 12V OV Fault \| Transition to Non-recoverable 4 \| 06/28/2010 \| 00:58:23 \| Power Supply PS2 12V UV Fault \| Transition to Non-recoverable 5 \| 06/28/2010 \| 00:58:23 \| Power Supply PS2 12V OC Fault \| Transition to Non-recoverable 6 \| 06/28/2010 \| 00:58:24 \| Power Supply PS 2 VCO Fault \| Transition to Non-recoverable

Affected configurations

The system may be any of the following IBM servers:

System x3250 M4, type 2583, any model

This tip is not software specific.

This tip is not option specific.

The following system firmware level(s) are affected:

Build version: 1.00
Build ID: 1aoo10i.

Solution

The fix is available in IMM2 firmware update v1.05 (Build ID: 1AOO10K) or later.

The file is available by selecting the appropriate 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/systemx/groupView?query.productGroup=ibm%2FSystemx

Workaround

Disconnect AC power cord and power supply then reconnect the power supply and AC power cord.

Additional information

This symptom occurs only on System x3250 M4, machine type 2583, with a redundant Power Supply Unit (PSU) configuration.

Document Location

Worldwide

Operating System

System x:Operating system independent / None

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Tips

Multiple false errors on second power supply after powering on system - IBM System x3250 M4 (2583)