Huawei FusionCol8000-E240 User Manual page 158

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A007-01 Return air 2 temp/
humid sensor comm
failed
Cold aisle 1 temp/
humid sensor comm
failed
Cold aisle 2 temp/
humid sensor comm
failed
Cold aisle 3 temp/
humid sensor comm
failed
Cold aisle 4 temp/
humid sensor comm
failed
Cold aisle 5 temp/
humid sensor comm
failed
Hot aisle 1 temp/
humid sensor comm
failed
Hot aisle 2 temp/
humid sensor comm
failed
Hot aisle 3 temp/
humid sensor comm
failed
Hot aisle 4 temp/
humid sensor comm
failed
Hot aisle 5 temp/
humid sensor comm
failed
Hot aisle 6 T/H sensor
comm failed
Outdoor intake air 1
T/H sensor comm fail
Precooling module
temp/humid sensor
comm failed
Issue 02 (2021-04-15)
Alarm
Severity
Major
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The cables to the
temperature and
humidity sensor are
loose or damaged.
● The DIP switch of
the temperature
and humidity
sensor is set
incorrectly.
● The temperature
and humidity
sensor is faulty.
● The
communications
port of the main
control board is
faulty.
8 System Maintenance
Solution
1. Check the cables to
the temperature
and humidity
sensor.
2. Set the DIP switch
of the temperature
and humidity
sensor correctly.
3. Maintain or replace
the temperature
and humidity
sensor.
4. Maintain or replace
the main control
board.
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