Huawei NetCol8000-E220 User Manual page 155

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A038
-01
A042
-01
A044
-01
Issue 06 (2020-08-19)
Alarm Alarm Name
Severit
y
MAJOR Compressor 2
Liquid pipe
temp sensor
fault
CRITICA Remote
L shutdown
alarm
CRITICA Smoke sensor
L alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
1. The cables to the
liquid pipe
temperature sensor
are loose or
damaged.
2. The liquid pipe
temperature sensor
is faulty.
1. The remote
shutdown dry
contact is triggered.
2. The cables to the
remote shutdown
dry contact are
loose or damaged.
1. Smoke is
generated in the
equipment room.
2. The cables to the
smoke sensor are
loose or damaged.
3. The smoke sensor
is faulty.
Solution
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.
146