Huawei NetCol5000-A025 - Page 213

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
a1
8
4
Compre
ssor
preheat
ing
alarm
WA
RNI
NG
Generates
an alarm.
1. The compressor
is preheated
before startup.
2. The compressor
is preheated
after a power
failure.
1. Start the
equipment after
preheating is
complete, or set
the Compressor
preheating
parameter to
O
to stop preheating.
2. Wait until
compressor
preheating is
complete, or set
the Compressor
preheating
parameter to
O
to stop preheating.
a1
8
5
Insuci
ent
refriger
ant
alarm
WA
RNI
NG
Generates
an alarm.
1. Refrigerant has
leaked.
2. Refrigerant is
not charged as
required in the
user manual.
3. The displayed
values of the
liquid pipe
temperature
sensor or the
condensing
pressure sensor
on the LCD are
dierent from
the actual
values.
1. Check the system
for leaking points.
If so, repair the
pipe and add
refrigerant.
2. Add refrigerant as
required in the user
manual.
3. Calibrate or replace
the liquid pipe
temperature sensor
or the condensing
pressure sensor.
a1
8
9
Transfo
rmer
overte
mperat
ure
alarm
CRI
TIC
AL
Generates
an alarm
and shuts
down the
smart
cooling
product.
1. Transformer
fault.
2. A phase of the
power supply is
open.
1. Replace the
transformer.
2. Check the power
supply.
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. 203