Replacing The Lcd - Huawei NetCol5000-C030H90D0 User Manual

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
Context
Recommended tools and materials: Phillips screwdriver and a new inlet solenoid
valve.
Procedure
Step 1 Tap Shutdown on the LCD home screen.
Exercise caution because the device is still energized when it is being shut down
over the LCD.
Step 2 Open the front door and turn off the general switch. For a device that has two
power inputs, turn off the active power switch QF1 and standby power switch
QF2.
Step 3 Turn off the water injection valve of the inlet solenoid valve.
Step 4 Unplug the cable terminals (YV1.1 and YV1.2).
Step 5 Use the Phillips screwdriver to remove the two fastening screws of the sheet
metal. Take out the inlet solenoid valve.
Figure 6-20 Remove screws of the sheet metal
Step 6 Remove the intake tube of the inlet solenoid valve.
Step 7 Install a new inlet solenoid valve by performing
----End

6.4.13 Replacing the LCD

Prerequisites
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Issue 03 (2020-08-30)
NO TICE
The LCD needs to be replaced.
A spare LCD is available, and its model or BOM number is the same as that of
the faulty LCD.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Step 6 to Step 1.
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