Huawei FusionDC1000A - Replacing the Module

5. Connect the control signal cables to the controller panel. Close and lock the
front door.
CA UTION
● If the main control board is not powered o, the main control board detects
and initializes the MDU after the DP cable is connected to the MDU. This
process takes 10s to 30s. Wait for 5s to 10s. The indicator on the panel turns
on, but the screen does not turn on. Wait for another 5s to 20s until the screen
is restored to the state before the replacement.
● If the main control board is powered
o, power on the main control board after
the DP cable is connected to the MDU. After the main control board is powered
on, the startup logo and self-check progress bar are displayed on the LCD. The
main screen is displayed. The whole restoration takes about 60s to 90s.
Step 3 (Optional) Import the conguration. If the web or ECC is not congured, skip its
step.
1. Insert the USB ash drive into the side of the controller panel. Choose Maint
> USB Operations > Import Cong as an admin user to import the back up
data in the USB
ash drive.
2. Log in to the WebUI of the smart cooling product as an administrator user.
Choose Maintenance >
Conguration, and choose the backup data. After
(optional) tapping Conguration File Decryption Password, tap Upload to
import the backup data from the computer.
----End
4.2.2.14 Replacing the Module
Prerequisites
● The module needs to be replaced.
● A spare module of the same model is available and functional.
Context
NO TICE
● The new module must be installed in the same slot as the faulty module.
Otherwise, the smart cooling product may fail to work properly.
● Before replacing a main control module, disconnect the network cable from the
module.
● To replace the main control module, download the software and ACC software
upgrade guide from Huawei websites, and upgrade it on the LCD.
The module can be maintained only from the rear.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 98