FusionModule800 Smart Small Data Center
Maintenance Guide
5 Parts Replacement
Issue 02 (2016-11-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
33
Figure 5-4
Removing the protective panel
Step 3
Detect the L1, L2, L3, and N voltages to the PE using an electrical tester pen to check whether
there is voltage, as shown in
, and verify that the faulty SPD has no voltage before
replacing the faulty surge protection module.
Figure 5-5
Detecting voltages
Step 4
Hold the faulty surge protection module and pull it out, as shown in
During replacement, do not touch the electriferous components in the power distribution
subrack.