Alarm Reference - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Symptom

6.4 Alarm Reference

Table 6-7 Alarm list
Alar
m ID
A001
-01
A001
-01
A001
-01
Issue 06 (2020-08-19)
Possible Cause
The water pump is
sealed by gas.
Alarm Alarm Name
Severit
y
MAJOR Return air 1
temperature
sensor fault
MAJOR Supply air 1
temperature
sensor fault
MAJOR Supply air 2
temperature
sensor fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
When the water pump
runs for the first time
every year, the water
pump may be blocked. In
this case, you need to
manually exhaust the
water pump. Loosen the
exhaust screw of the
pump when the water
pump is running. After
the water is ejected from
the exhaust hole, install
the exhaust screw and
tighten it.
Probable Cause
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
Solution
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
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