Huawei NetCol5000-A050 User Manual page 251

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A297-1
0
A297-2
0
A30C-0
1
A30C-0
2
A30C-0
4
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
The main MAJ
control OR
module is
faulty
The main CRITI
control CAL
module is
faulty
Certificate is WAR
about to NIN
expire G
Certificate is WAR
about to NIN
expire G
Certificate is WAR
about to NIN
expire G
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
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. Cables to the
EEV coil are not
properly
connected.
2. The EEV coil is
faulty.
3. The main
control module is
faulty.
1. The
corresponding
certificate is about
to expire.
2. The system time
is incorrectly set.
1. The
corresponding
certificate is about
to expire.
2. The system time
is incorrectly set.
1. The
corresponding
certificate is about
to expire.
2. The system time
is incorrectly set.
9 Alarm Reference
Solution
1. Check and maintain
the cables to the EEV
coil.
2. Replace the EEV coil.
3. Replace the main
control module.
1. Check and maintain
the cables to the EEV
coil.
2. Replace the EEV coil.
3. Replace the main
control module.
1. Apply for a new
certificate promptly and
update the existing one.
2. Calibrate the system
time.
1. Apply for a new
certificate promptly and
update the existing one.
2. Calibrate the system
time.
1. Apply for a new
certificate promptly and
update the existing one.
2. Calibrate the system
time.
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