Huawei FusionCol8000-E240 User Manual page 159

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A015-01 Compressor 1 exceed
runtime alarm
Compressor 2 exceed
runtime alarm
Compressor 3 exceed
runtime alarm
A018-01 Indoor fan 1 exceed
runtime alarm
Indoor fan 2 exceed
runtime alarm
Indoor fan 3 exceed
runtime alarm
Indoor fan 4 exceed
runtime alarm
Indoor fan 5 exceed
runtime alarm
Exhaust fan 1 exceed
runtime alarm
Exhaust fan 2 exceed
runtime alarm
Exhaust fan 3 exceed
runtime alarm
Exhaust fan 4 exceed
runtime alarm
A025-01 Return air filter
blocked alarm
Fresh air filter blocked
alarm
Outdoor intake air
filter blocked alarm
Issue 02 (2021-04-15)
Alarm
Severity
Warning
Warning
Warning
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
The accumulated
runtime of the
compressor exceeds
the alarm threshold.
The accumulated
runtime of the fan
exceeds the alarm
threshold.
● Air filters are
blocked or dirty.
● The differential
pressure switch is
faulty.
● An inappropriate
threshold is set for
the differential
pressure switch.
● The pressure tube
of the differential
pressure switch is
blocked or
disconnected.
● The cables to the
differential pressure
switch are loose or
damaged.
8 System Maintenance
Solution
Maintain or replace
the compressor, and
clear the accumulated
runtime.
Maintain or replace
the fan, and clear the
accumulated runtime.
1. Maintain or replace
the air filters.
2. Replace the
differential pressure
switch.
3. Adjust the
threshold set for
the differential
pressure switch.
4. Dredge or replace
the pressure tube.
5. Check the cables to
the differential
pressure switch.
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