Cisco Cisco ME 3600X Series and ME 3800X Series DC power supply Guida Alla Risoluzione Dei Problemi

See Cisco bug ID CSCtr77620 (FEX: System minor alarm on power supply 1 & Recovered).

This example shows other failure messages for the FEX power supply:

%SATCTRL−FEX104−2−SOHMS_DIAG_ERROR: FEX−104 Module 1: Runtime diag detected major event:

Voltage failure on power supply: 1

%SATCTRL−FEX104−2−SOHMS_DIAG_ERROR: FEX−104 System minor alarm on power supply 1: failed

%SATCTRL−FEX104−2−SOHMS_DIAG_ERROR: FEX−104 Recovered: System minor alarm on power 

supply 1: failed

Methods to resolve these issues include:

Reseat the FEX power supply; use the redundant power supply to ensure the power does not go
offline.

1. 

Submit a Return Material Authorization (RMA) for the FEX power supply; use the redundant power
supply to ensure the power does not go offline.

2. 

Repeat these steps for the second power supply.

3. 

The first step in troubleshooting is to check for hardware and power issues. If you have a software issue, error
messages continue even after you swap hardware.

Review and answer these questions in order to help define the circumstances of the failure:

How many FEX power supplies are affected ?

1. 

For a minor alarm, did you swap the input source, and did that make any difference?

2. 

Do you have other FEX power supplies that are having issues?

3. 

Do you have any other boxes of the same power source?

4. 

Did you replace the power cord?

5. 

Was there a power surge or glitch in the environment?

6. 

Gather output from these commands in order to investigate the failures:

• 

• 

• 

• 

• 

Note: Use the Command Lookup Tool (registered customers only) in order to obtain more information on the
commands used in this section.

• 

Updated: May 03, 2013

Document ID: 116122