Huawei FusionDC1000A Maintenance Manual page 134

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Figure 4-70 Removing the screws
Step 3 Remove the cables using a flat-head screwdriver and label the cables.
Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5 Install the new base in the same position.
Step 6 Reconnect cables in the same way.
Step 7 Secure the panel to the base.
Step 8 Switch on the active and standby power supplies to the fire alarm control panel.
Step 9 Check that the new gas release indicator is working properly.
1.
2.
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Issue 01 (2021-04-20)
Disconnect the red and black cables from the pressure announciator, as
shown by (1) in Figure
Short-circuit the cables from the fire alarm control panel to the pressure
announciator, as shown by (2) in
NO TE
If the gas release indicator turns on, it is working properly.
Figure 4-71 Short-circuiting the pressure announciator
(1) Red and black cables to the pressure
announciator
Copyright © Huawei Technologies Co., Ltd.
4-71.
Figure 4-71.
(2) Cables to the fire alarm control panel
4 Parts Replacement
126