Huawei FusionModule5000 Maintenance Guide

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.
80
Alarm ID
Alarm
Name
Alarm
severity
Possible
Cause
Solution
reversely
of the
transformer is
reversely
connected.
0x5052
Main circuit
breaker off
Critical
The circuit
breaker on the
main circuit
changes from
ON to OFF.
Check the circuit
breaker on the main
circuit.
3.2 Cooling System Alarm Reference
Table 3-1 describes the NetCol5000-C alarm reference.
Table 3-1 Alarm reference
Alar
m ID
Alarm
Name
Severit
y
System
Operatio
n
Possible Causes
Recovery Measures
a001
Return-
air 1/2
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.
a002
Return-
air HT
Critical
The alarm
is
generated.
The
indoor fan
has the
maximum
output,
and the
CW valve
has 100%
outputs in
automatic
running
mode.
1. The load is high or
the refrigeration
capacity is
insufficient.
2. The return air temp
is higher than the
return-air HT
alarm threshold
during startup.
3. The ambient temp
is high.
4. The return-air HT
alarm threshold is
inappropriate.
5. The temp
displayed is
different from the
actual temp.
6. CW flow is
1. Add more air
conditioner units.
2. Check other
causes if the alarm
persists after
startup.
3. Check the ambient
temp.
4. Adjust the
return-air HT
alarm threshold.
5. Calibrate or
replace the
abnormal temp
sensors.
6. Check the press
and the temp of
CW.
7. Maintain or

Huawei FusionModule5000 Specifications

General

Brand	Huawei
Model	FusionModule5000
Category	Wireless Router
Language	English