Red flag on the SIEM Device: Hardware Error - Pwr Unit Redundant

Technical Articles ID: KB94084
Last Modified: 2022-11-14 09:30:57 Etc/GMT

Environment

SIEM Advanced Correlation Engine 11.x
SIEM Application Data Monitor 11.x
SIEM Database Event Monitor 11.x
SIEM Enterprise Security Manager (ESM) 11.x
SIEM Enterprise Log Manager (ELM) 11.x
SIEM Event Receiver 11.x

Problem

The SIEM hardware device displays a red flag, with the following message:

Hardware Error - Pwr Unit Redund

The appliance might emit an audible alarm (beeping tone).

The System Log (ESM) or Device Log (Non-ESM device) can display the error below:

<date, time> Local ESM (144115188075855872), Critical, Health Monitor, Hardware state change alert.hardware error -- Pwr Unit Redund
<date, time> ELM (144117387099111424), Critical, Health Monitor, Hardware state change alert.hardware error -- Pwr Unit Redund

The /var/log/message.log file can log the following:

ESM device:

<date, time> McAfee perl[999]: HealthStatus id=86 msg=hardware error -- Pwr Unit Redund
<date, time> McAfee perl[2316]: HealthStatus id=86 msg=hardware error -- Pwr Unit Redund

Non-ESM devices:

<date, time> McAfee healthmon[9175]: Healthmon: V=1, AID=86, S=3, MSG='hardware error -- Pwr Unit Redund'
<date, time> McAfee2 healthmon[31234]: Healthmon: V=1, AID=86, S=3, MSG='hardware error -- Pwr Unit Redund'

Cause

The issue is caused by the redundant power unit. There might be several causes such as the following:

Defective or lose power cable
Untightened unit

Solution

To resolve the issue, perform the following steps:

Check or replace the power cable.
Reseat the redundant power unit.

NOTE: If these steps don't resolve the issue, collect the LDT information according to KB91944 - Linux Diagnostic Tool Reference Guide. Then, contact Technical Support for further assistance.

To contact Technical Support, go to the Create a Service Request page and log on to the ServicePortal.

If you are a registered user, type your User ID and Password, and then click Log In.
If you are not a registered user, click Register and complete the fields to have your password and instructions emailed to you.

Related Information

Power unit LED Status:

Green Solid on - Power supply is operating.
Green flashing - Unit is acting as standby, ready to take over.
Orange Solid on - Power supply is off.

Affected Products

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