Alarm ID
Alarm Name
Alarm
Severity
Possible Cause
Solution
A30D-01
Certificate is not in
effect
Warning
● The installed
certificate does not
take effect.
● The connection of
the corresponding
certificate server is
abnormal.
● The corresponding
certificate is not
within the validity
period.
1. Ensure that the
certificate is
correctly installed.
2. Ensure that the
connection of the
certificate server is
normal.
3. Ensure that the
installed certificate
is within the
validity period.
A30E-01
A30E-02
A30E-04
Certificate has expired
Warning
● The corresponding
certificate has
expired.
● The system time is
incorrectly set.
1. Apply for a new
certificate promptly
and update the
existing one.
2. Calibrate the
system time.
A30F-01
Air-side differential
pressure sensor
communication failure
Major
● The differential
pressure sensor
cable is loose or
damaged.
● The DIP switch of
the differential
pressure sensor is
set incorrectly.
● The differential
pressure sensor is
faulty.
● The
communications
port of the main
control board is
faulty.
1. Check the cable
connection to the
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.
A361-01
Spray pump 1 drive
alarm
Spray pump 2 drive
alarm
Major
● The spray pump
drive is faulty.
● The cables to the
spray pump drive
are loose or
damaged.
● The spray pump is
faulty.
1. Maintain or replace
the spray pump
drive.
2. Check the cables to
the spray pump
drive.
3. Maintain or replace
the spray pump.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
8 System Maintenance
Issue 02 (2021-04-15)
Copyright © Huawei Technologies Co., Ltd.
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