25 
For details about indicators and troubleshooting suggestions, log in to http://support.huawei.com/enterprise/, 
choose TECHNICAL SUPPORT > Product Support > Enterprise Data Center > Enterprise Storage, and 
click the product model to go to the document page of the product. Then, search, browse, and download the 
Quick Maintenance Guide of the corresponding version. 
Scenario 1 Installing the front panel for a 2 U device 
5d 
Installing front panels 
Scenario 2 Installing the front panel for a 4 U device 
Scenario 3  
Installing the front panel for a 3 U device 
Alarm indicator of the 
high-density disk 
enclosure: off 
Power indicator of the 
high-density disk 
enclosure: steady green 
High-density disk enclosure