SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
 
 
Never open the host panel of the SUN2000. 
 
Before opening the maintenance compartment door, disconnect the AC and DC power 
supplies. For processes of disconnecting the power supplies, see 6.3 Powering Off the 
SUN2000. After powering off the SUN2000, wait at least 5 minutes before performing 
operations on it. 
 
If you need to open the maintenance compartment door in rainy or snowy days, take 
protective measures to prevent rain and snow entering the maintenance compartment. If it 
is impossible to take protective measures, do not open the maintenance compartment door 
in rainy or snowy days. 
 
Do not leave unused screws in the maintenance compartment. 
Procedure 
Step 1  Remove the two screws from the maintenance compartment door using a security torx wrench 
and set them aside. 
Figure 5-1 Removing screws 
 
 
Step 2  Open the maintenance compartment door and install a support bar. 
 
The support bar is bound to the chassis base.