Huawei NetCol5000-A025 - Page 207

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
a1
0
5
Indoor
fan
failure
alarm
CRI
TIC
AL
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. The
accumulated
runtime of the
fan exceeds the
alarm threshold.
2. The cable to the
fan is not
connected
properly.
3. The power
supply to the fan
is abnormal.
1. Maintain or replace
the fan, and clear
the accumulated
runtime.
2. Check the cable
connection to the
fan.
3. Check the power
supply to the fan.
a1
1
8
Backup
power
failure
alarm
MA
JOR
Generates
an alarm
and shuts
down the
electric
heater.
The power supply is
faulty.
Check the power
supply.
Primary
power
failure
alarm
MA
JOR
Generates
an alarm
and shuts
down the
electric
heater.
The power supply is
faulty.
Check the power
supply.
a1
3
0
Humid
water
inlet
solenoi
d valve
fault
MA
JOR
Generates
an alarm
and shuts
down the
humidier.
1. The cables to
the water inlet
solenoid valve
are loose or
damaged.
2. The water inlet
solenoid valve is
faulty.
1. Check the cables to
the water inlet
solenoid valve.
2. Replace the water
inlet solenoid
valve.
a1
3
4
Compre
ssor
suction
temper
ature
sensor
fault
MA
JOR
Generates
an alarm
and shuts
down the
compressor.
1. The cables to
the suction
temperature
sensor are loose
or damaged.
2. The suction
temperature
sensor is faulty.
1. Check cables to the
suction
temperature
sensor.
2. Maintain or replace
the suction
temperature
sensor.
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. 197