Huawei FusionModule1000A20 Maintenance Manual page 136

FusionModule1000A20 CT Solution
Maintenance Guide
Figure 5-59 Switching off the standby power supply
Step 3 Disconnect cables from the faulty VESDA batteries.
Step 4 Use a Phillips screwdriver to remove screws on the battery protective panel, and remove the
protective panel.
Step 5 Replace the batteries, and connect battery cables.
Distinguish the positive and negative battery terminals when connecting battery cables.
Figure 5-60 Connecting battery cables
Step 6 Reinstall the battery protective panel.
Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd.
5 Parts Replacement
129