Huawei NetCol5000-A050 - Page 224

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A273-0
1
Teamwork
function
abnormal
alarm
MAJ
OR
1. All sensors for
controlling the
indoor fan are
disabled.
2. All cables to the
sensors for
controlling the
indoor fan are
loose or damaged.
3. All sensors for
controlling the
indoor fan are
faulty.
1. Enable the sensors
for controlling the
indoor fan.
2. Check the cable
connections to the
sensors for controlling
the indoor fan.
3. Maintain or replace
the sensors for
controlling the indoor
fan.
A278-0
8
Water valve
fault
MAJ
OR
1. The cable to the
water valve is
loose or damaged.
2. The water valve
is faulty.
1. Check the cable to
the water valve.
2. Maintain or replace
the water valve.
A27C-0
1
Return air 2
temp/humid
sensor fault
MAJ
OR
1. The cables to
the temperature
and humidity
sensor are loose or
damaged.
2. The
temperature and
humidity sensor is
faulty.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
A27C-0
2
Return air 2
temp/humid
sensor fault
MAJ
OR
1. The cables to
the temperature
and humidity
sensor are loose or
damaged.
2. The
temperature and
humidity sensor is
faulty.
1. Check the cables to
the temperature and
humidity sensor.
2. Maintain or replace
the temperature and
humidity sensor.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 214