Huawei NetCol5000-A025 - Page 231

Al
ar
m
ID
Alarm
Name
Ala
rm
Sev
erit
y
Impact Possible Causes Solution
The
main
control
module
is
faulty
CRI
TIC
AL
Generates
an alarm
and shuts
down the
compressor.
1. The cables to
the electronic
expansion valve
coil are loose or
damaged.
2. The EEV coil is
faulty.
3. The main
control module
is faulty.
1. Check and
maintain the
cables to the
electronic
expansion valve
coil.
2. Replace the EEV
coil..
3. Replace the main
control module.
a3
0
C
Certic
ate is
about
to
expire
WA
RNI
NG
Generates
an alarm.
1. The
corresponding
certicate is
about to expire.
2. The system time
is incorrectly set.
1. Apply for a new
certicate promptly
and update the
existing one.
2. Calibrate the
system time.
a3
0
d
Certic
ate is
not in
eect
WA
RNI
NG
Generates
an alarm.
1. The installed
corresponding
certicate does
not take eect.
2. The connection
of the
corresponding
certicate server
is abnormal.
3. The
corresponding
certicate is not
within the
validity period.
1. Ensure that the
certicate is
correctly installed.
2. Ensure that the
connection of the
certicate server is
normal.
3. Ensure that the
installed
certicate
is within the
validity period.
a3
0e
Certic
ate has
expired
WA
RNI
NG
Generates
an alarm.
1. The
corresponding
certicate has
expired.
2. The system time
is incorrectly set.
1. Apply for a new
certicate promptly
and update the
existing one.
2. Calibrate the
system time.
a3
1
1
Outdoo
r fan
detecti
on
failure
MA
JOR
Generates
an alarm.
The smart cooling
product fails to
detect the outdoor
fan.
Detect the outdoor
fan through the
wizard-based startup.
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. 221