Huawei NetCol8000-E220 User Manual page 161

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A055
-01
A056
-01
A056
-01
A059
-01
A059
-01
A063
-01
A063
-01
Issue 06 (2020-08-19)
Alarm Alarm Name
Severit
y
MAJOR Compressor 2
discharge
temperature
sensor fault
MAJOR Compressor 1
discharge
pressure
sensor fault
MAJOR Compressor 2
discharge
pressure
sensor fault
MAJOR Compressor 1
suction
pressure
sensor fault
MAJOR Compressor 2
suction
pressure
sensor fault
CRITICA Compressor 1
L drive
communicatio
n failed alarm
CRITICA Compressor 2
L drive
communicatio
n failed alarm
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
1. The cables to the
exhaust air
temperature sensor
are loose or
damaged.
2. The exhaust air
temperature sensor
is faulty.
1. The cables to the
pressure sensor are
loose or damaged.
2. The pressure
sensor is faulty.
1. The cables to the
pressure sensor are
loose or damaged.
2. The pressure
sensor is faulty.
1. The cables to the
pressure sensor are
loose or damaged.
2. The pressure
sensor is faulty.
1. The cables to the
pressure sensor are
loose or damaged.
2. The pressure
sensor is faulty.
1. The cables to the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
1. The cables to the
compressor drive
are loose or
damaged.
2. The compressor
drive is faulty.
Solution
1. Check cables to the
exhaust air
temperature sensor.
2. Maintain or replace
the exhaust air
temperature sensor.
1. Check the cables to
the pressure sensor.
2. Replace the pressure
sensor.
1. Check the cables to
the pressure sensor.
2. Replace the pressure
sensor.
1. Check the cables to
the pressure sensor.
2. Maintain or replace
the pressure sensor.
1. Check the cables to
the pressure sensor.
2. Maintain or replace
the pressure sensor.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
1. Check the cables to
the compressor drive.
2. Maintain or replace
the compressor drive.
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