Replacing The Psu - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
12. On the home screen, choose Maint > Wizard Startup, and commissing the
13. Install the fan maintenance baffle and close the front door.
14. On the home screen, choose Maint > Performance Maint to enter the

6.7.7 Replacing the PSU

Context
● This section describes how to replace a PSU and provides a reference for
replacing a main control module.
● The new PSU must be installed in the same slot of the faulty PSU. Otherwise,
the smart cooling product may fail to work properly.
● When replacing a main control module, remove the 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.
Procedure
Step 1 Tap Shutdown on the LCD home screen.
Exercise caution because the device is still energized when it is shut down over the
LCD.
Step 2 Open the front door and push the latch on the PSU upwards, as shown by (1) in
Figure
Issue 02 (2020-08-30)
from the communications ports on other faulty fans. message is displayed.
Then tap Yes. The command is triggered successfully and the alarm is cleared.
indoor fan to check that the fan is normal. Then exit from the wizard startup
mode.
Performance Maint screen and clear the runtime of the indoor fan.
NO TICE
NO TICE
6-26.
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