Huawei NetCol8000-C070 User Manual page 167

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Alarm ID Alarm Name
A27C-01 Return air 1 temp/
humid sensor fault
A27C-02
Return air 2 temp/
humid sensor fault
Return air 3 temp/
humid sensor fault
Return air 4 temp/
humid sensor fault
Return air damper 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
Fresh air 1 temp/
humid sensor fault
A27F-02 Water overflow alarm
Issue 07 (2021-12-30)
Alarm
Severity
Major
Critical
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
● The cables to the
temperature and
humidity sensor are
loose or damaged.
● The temperature
and humidity
sensor is faulty.
The water overflow
sensor detects water
or the sensor is faulty.
6 Maintenance
Solution
1. Check the cables to
the temperature
and humidity
sensor.
2. Maintain or replace
the temperature
and humidity
sensor.
If the water overflow
sensor is configured,
check and clear the
water source, and
maintain or replace
the sensor.
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