Method 1: Fault Management Manuals
1 Search for a product model.
Search in the search bar, Favorite, Recent Views, or Product Category area athttp://support.huawei.com/enterprise/.
2 Click the Documentation tab. Select Fault Management from Category.
Alarm help and troubleshooting guides of the product will be displayed.
Method 2: Knowledge Base
1 Search for a product model.
Search in the search bar, Favorite, Recent Views, or Product Category area athttp://support.huawei.com/enterprise/.
2 Click the Knowledge Base tab.
Troubleshooting cases shared by engineers will be displayed. 
Method 3: LiveChat
LiveChat: network you with experts for further discussion
Method 4: Support Community
A great place to brainstorm new ideas (e.g. trend forecast, technical discussion, learning materials) with innovative minds.
Support Community is available in Services area at http://support.huawei.com/enterprise/. 
Method 5: Tools
Tools area is available at http://support.huawei.com/enterprise. Clicking More at the bottom of Toolsarea will display upgrade, monitoring, migration, simulation, and other product-specific tools.
