Parts Replacement; Replacing The Air Filter - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
01

6.5 Parts Replacement

6.5.1 Replacing the Air Filter

Prerequisites


Context
The return air filter is maintained from the maintenance door.
Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the device switch in the PDC.
Step 2 Open the No. 3rd maintenance door.
Step 3 Remove the screws securing the air filter, and remove the air filter.
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
differential cable is loose or damaged.
pressure
2. The DIP switch of the
sensor
differential pressure sensor is set
communicatio
incorrectly.
n failure
3. The differential pressure sensor
is faulty.
4. The communications port of the
main control board is faulty.
The air filter needs to be replaced.
Spare air filters of the same model are available and functional.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
differential pressure sensor.
2. Set the DIP switch of the
differential pressure sensor
correctly.
3. Maintain or replace the
differential pressure sensor.
4. Maintain or replace the main
control board.
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