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Event Reference

OceanStor Dorado V3 Series V300R001

This document is applicable to OceanStor Dorado5000 V3, Dorado6000 V3 and Dorado18000 V3. This document describes the basic knowledge about the events of storage system in terms of event definition, event level, impact on the system, possible cause, and handling procedure. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
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0xF00CF0077 The Monitor Link Between The Expansion Module And The Enclosure Is Faulty

0xF00CF0077 The Monitor Link Between The Expansion Module And The Enclosure Is Faulty


The monitor link between the expansion module and the enclosure is faulty.

Applicable Model

Applicable to all models.



Event Level

Automatically Cleared




Impact on the System

System hardware devices (power supplies, enclosure or fans) may not be monitored. Storage system reliability degrades.

Possible Causes

  • I2C component on the expansion module is faulty.
  • The communication link between the expansion module and the enclosure breaks down.


  1. Replace the expansion module. If the alarm persists=> Step2.
  2. Replace the expansion module enclosure. If the alarm persists=> Step3.
  3. Collect log information and contact technical support engineers. Method 1: On DeviceManager, choose "Settings" > "Export Data" to export log information. Method 2: On CLI, run the "export event" command to export log information.
Updated: 2018-10-19

Document ID: EDOC1000141827

Views: 87636

Downloads: 169

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