Huawei FusionModule5000

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
3 Alarm Reference
Issue 01 (2019-03-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
90
Alar
m ID
Alarm
Name
Severit
y
System
Operatio
n
Possible Causes
Recovery Measures
threshold is
inappropriate.
3. The supply water
temp displayed is
different from the
actual temp.
replace the supply
water temp sensor.
a099
Return-
water
temp
invalid
Major
The alarm
is
generated.
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
1. Check the cables
to the temperature
sensor.
2. Maintain or
replace the
temperature
sensor.
a101
CW
valve
1/2
abnorm
al
feedbac
k
Major
The alarm
is
generated.
1. The cables to the
CW valve are
loose or damaged.
2. The CW valve is
faulty.
1. Adjust the cables
to the CW valve.
2. Maintain or
replace the CW
valve.
a103
Indoor
fan
power
alarm
Major
The alarm
is
generated,
and the
indoor fan
output is
less than
85%.
1. The power module
of the indoor fan is
faulty.
2. The cables to the
power module of
the indoor fan are
loose or damaged.
1. Maintain or
replace the power
module.
2. Check the cables
to the dry contact
of the power
module.
a104
In-cabin
et water
overflo
w
Critical
The alarm
is
generated,
and the
NetCol50
00-C
shuts
down.
1. Water exists in the
overflow pan.
2. The cabinet
overflow sensor is
disconnected.
1. Check and clear
the water.
2. Maintain or
replace the cabinet
overflow sensor.
a105
Indoor
fan
failure
Critical
The alarm
is
generated.
1. The indoor fan is
faulty.
2. The cables to the
indoor fan are
loose or damaged.
1. Maintain or
replace the indoor
fan.
2. Check the cables
to the indoor fan.
a106
In-cabin
et water
sensor
fault
Major
The alarm
is
generated,
and the
NetCol50
00-C
The cabinet overflow
sensor is faulty.
Maintain or replace
the cabinet overflow
sensor.