Huawei FusionCol8000-E240 User Manual page 160

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Alarm ID Alarm Name
A026-01 Return air filter exceed
runtime alarm
Fresh air filter exceed
runtime alarm
Outdoor intake air
filter exceed runtime
alarm
A027-01 Power loss alarm
A038-01 Compressor 1 liquid
pipe temp sensor fault
Compressor 2 liquid
pipe temp sensor fault
Compressor 3 liquid
pipe temp sensor fault
Paral comp sys liquid
pipe temp sensor fault
A042-01 Remote shutdown
alarm
A044-01 Smoke sensor alarm
Issue 02 (2021-04-15)
Alarm
Severity
Warning
Warning
Major
Critical
Critical
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Possible Cause
The accumulated
runtime of the air
filter exceeds the
alarm threshold.
The power supply is
cut off.
● The cables to the
liquid pipe
temperature sensor
are loose or
damaged.
● The liquid pipe
temperature sensor
is faulty.
● The remote
shutdown dry
contact is triggered.
● The cables to the
remote shutdown
dry contact are
loose or damaged.
● Smoke is generated
in the equipment
room.
● The cables to the
smoke sensor are
loose or damaged.
● The smoke sensor
is faulty.
8 System Maintenance
Solution
Maintain or replace
the air filter and clear
the accumulated
runtime.
If power failure occurs
on the power system,
no maintenance is
needed. If it occurs in
other places, check the
power supply cables.
1. Check the cables to
the liquid pipe
temperature sensor.
2. Maintain or replace
the liquid pipe
temperature sensor.
1. Check the status of
the remote
shutdown dry
contact.
2. Check the cables to
the remote
shutdown dry
contact.
1. Expel smoke from
the equipment
room and reset the
smoke sensor.
2. Check the cables to
the smoke sensor.
3. Maintain or replace
the smoke sensor.
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