Alarm ID
Alarm Name
Alarm
Severity
Possible Cause
Solution
A094-01
Low humidity alarm
Warning
● The ambient
humidity is below
the lower
threshold.
● The temperature
and humidity
sensor is not
installed in a
proper position.
● The low humidity
alarm threshold is
inappropriate.
● The value detected
by the temperature
and humidity
sensor is different
from the actual
value.
1. Measure the
ambient humidity.
2. Adjust the position
of the temperature
and humidity
sensor.
3. Adjust the low
humidity alarm
threshold.
4. Calibrate or replace
the temperature
and humidity
sensor.
A105-01
Indoor fan failure
alarm
Critical
● The accumulated
runtime of the fan
exceeds the alarm
threshold.
● The cable to the
fan is not
connected properly.
● The power supply
to the fan is
abnormal.
1. Maintain or replace
the fan, and clear
the accumulated
runtime.
2. Check the cable
connection to the
fan.
3. Check the power
supply to the fan.
A105-01
Exhaust fan function
failure alarm
Critical
● The fan is faulty.
● The cable to the
fan is not
connected properly.
● The power supply
to the fan is
abnormal.
1. Maintain or replace
the fan.
2. Check the cable
connection to the
fan.
3. Check the power
supply to the fan.
A118-01
A118-02
Backup power failure
alarm
Primary power failure
alarm
Major
The power supply is
faulty.
Check the power
supply.
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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