Huawei NetCol5000-A025 - Page 204

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
a0
5
5
Compre
ssor
dischar
ge
temper
ature
sensor
fault
MA
JOR
Generates
an alarm.
1. The cables to
the exhaust air
temperature
sensor are loose
or damaged.
2. The exhaust air
temperature
sensor is faulty.
1. Check cables to the
exhaust air
temperature
sensor.
2. Maintain or replace
the exhaust air
temperature
sensor.
a0
5
6
Compre
ssor
dischar
ge
pressur
e
sensor
fault
MA
JOR
Generates
an alarm.
1. The cables to
the pressure
sensor are loose
or damaged.
2. The pressure
sensor is faulty.
1. Check the cables to
the pressure sensor.
2. Replace the
pressure sensor.
a0
5
9
Compre
ssor
suction
pressur
e
sensor
fault
MA
JOR
Generates
an alarm
and shuts
down the
compressor.
1. The cables to
the pressure
sensor are loose
or damaged.
2. The pressure
sensor is faulty.
1. Check the cables to
the pressure sensor.
2. Maintain or replace
the pressure sensor.
a0
6
3
Compre
ssor
drive
commu
nicatio
n failed
alarm
CRI
TIC
AL
Generates
an alarm
and shuts
down the
compressor.
1. The cables to
the compressor
drive are loose
or damaged.
2. The compressor
drive is faulty.
1. Check the cables to
the compressor
drive.
2. Maintain or replace
the compressor
drive.
a0
6
9
Compre
ssor
start
failure
alarm
MA
JOR
Generates
an alarm
and shuts
down the
compressor.
1. The compressor
lacks oil.
2. The compressor
is faulty.
3. The compressor
drive is faulty.
1. Fill oil to the
compressor.
2. Maintain or replace
the compressor.
3. Maintain or replace
the compressor
drive.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 194