Huawei NetCol8000-A045D - Page 251

Alarm ID Alarm Name Alarm
Severity
Possible Cause Solution
A27C-01
A27C-02
Return air 1 temp/
humid sensor fault
Cold aisle 1 temp/
humid sensor fault
Cold aisle 2 temp/
humid sensor fault
Cold aisle 3 temp/
humid sensor fault
Cold aisle 4 temp/
humid sensor fault
Cold aisle 5 temp/
humid sensor fault
Hot aisle 1 temp/
humid sensor fault
Hot aisle 2 temp/
humid sensor fault
Hot aisle 3 temp/
humid sensor fault
Hot aisle 4 temp/
humid sensor fault
Hot aisle 5 temp/
humid sensor fault
Hot aisle 5 temp/
humid sensor fault
Major
● The cables to the
temperature and
humidity sensor are
loose or damaged.
● 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.
A27F-01
A27F-02
Water overow alarm Critical The water overow
sensor detects water
or the sensor is faulty.
If the water overow
sensor is congured,
check and clear the
water source, and
maintain or replace
the sensor.
A280-01 Power frequency
abnormal
Backup power
frequency abnormal
Major ● The power supply
frequency is below
the lower
threshold.
● The SPD and
voltage detection
board is faulty.
1. Check the power
supply frequency,
and ensure that it
is within the
working range.
2. Replace the SPD
and voltage
detection board.
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual 10 Alarm Reference
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 241