Knowledge Article: ID B6F60D001: Multiplexer Expansion module %d communication failed.

Description

Communication on the I2C bus between the advanced management module and the specified multiplexer expansion module is lost.

Causes

The management bus monitor detects a communication problem between the advanced management module and the multiplexer expansion module.

Implications

When the management bus monitor detects a communication failure, it logs this event.

Resolutions

Perform these steps:

  1. Reseat the multiplexer expansion module.
  2. Replace the multiplexer expansion module.

Additional information

To find additional troubleshooting help, visit the "IBM Support & downloads" Web site, select "BladeCenter" for "Browse products for support" panel. At "Support & downloads quick start" page, select your product for "Choose your products", and "Troubleshooting" for "Choose your page", then select "View your page" for "See your results". To narrow the results, search with keywords that are related to this article, such as "fail", "Chassis", etc. in the "Search support" field at the right panel.

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