Huawei NetCol8000-E220 User Manual page 165

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Alar
m ID
A077
-20
A077
-20
A077
-20
A077
-20
A077
-20
A077
-20
A077
-20
A077
-20
Issue 06 (2020-08-19)
Alarm Alarm Name
Severit
y
MAJOR Indoor fan 1
fault
MAJOR Indoor fan 2
fault
MAJOR Indoor fan 3
fault
MAJOR Indoor fan 4
fault
MAJOR Indoor fan 5
fault
MAJOR Exhaust fan 1
fault
MAJOR Exhaust fan 2
fault
MAJOR Exhaust fan 3
fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Probable Cause
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
1. The ground cable
to the fan is not
connected properly.
2. The fan is faulty.
Solution
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
1. Check the ground
cable connection to the
fan.
2. Maintain or replace
the fan.
156