Huawei NetCol8000-E220 User Manual page 172

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A120
-01
A120
-01
A120
-01
A134
-01
A134
-01
Issue 06 (2020-08-19)
Alarm Alarm Name
Severit
y
MAJOR Exhaust fan 4
communicatio
n failure
MAJOR Exhaust fan 5
communicatio
n failure
MAJOR Exhaust fan 6
communicatio
n failure
MAJOR Compressor 1
suction
temperature
sensor fault
MAJOR Compressor 2
suction
temperature
sensor fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
1. The
communications
cable to the fan is
not connected
properly.
2. The fan is faulty.
1. The
communications
cable to the fan is
not connected
properly.
2. The fan is faulty.
1. The
communications
cable to the fan is
not connected
properly.
2. The fan is faulty.
1. The cables to the
suction temperature
sensor are loose or
damaged.
2. The suction
temperature sensor
is faulty.
1. The cables to the
suction temperature
sensor are loose or
damaged.
2. The suction
temperature sensor
is faulty.
Solution
1. Check the
communications cable
connection to the fan.
2. Maintain or replace
the fan.
1. Check the
communications cable
connection to the fan.
2. Maintain or replace
the fan.
1. Check the
communications cable
connection to the fan.
2. Maintain or replace
the fan.
1. Check cables to the
suction temperature
sensor.
2. Maintain or replace
the suction
temperature sensor.
1. Check cables to the
suction temperature
sensor.
2. Maintain or replace
the suction
temperature sensor.
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