Huawei NetCol5000-A050 User Manual page 199

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A007-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Hot aisle 3 MAJ
temp/humid OR
sensor comm
failed
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The cables to
the temperature
and humidity
sensor are loose or
damaged.
2. The DIP switch
of the
temperature and
humidity sensor is
set incorrectly.
3. The
temperature and
humidity sensor is
faulty.
4. The
communications
port of the main
control board is
faulty.
5. The cables to
the temperature
and humidity
sensor are loose or
damaged.
6. The DIP switch
of the
temperature and
humidity sensor is
set incorrectly.
7. The
temperature and
humidity sensor is
faulty.
8. The
communications
port of the main
control board is
faulty.
9 Alarm Reference
Solution
1. Check the cables to
the temperature and
humidity sensor.
2. Set the DIP switch of
the temperature and
humidity sensor
correctly.
3. Maintain or replace
the temperature and
humidity sensor.
4. Maintain or replace
the main control board.
5. Check the cables to
the temperature and
humidity sensor.
6. Set the DIP switch of
the temperature and
humidity sensor
correctly.
7. Maintain or replace
the temperature and
humidity sensor.
8. Maintain or replace
the main control board.
189