Huawei NetCol5000-A050 User Manual page 208

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A054-0
1
A054-0
1
A055-0
1
A056-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
PSU 1 MAJ
communicatio OR
n failed
PSU 2 MAJ
communicatio OR
n failed
Compressor MAJ
discharge OR
temperature
sensor fault
Compressor MAJ
discharge OR
pressure
sensor fault
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The
communications
cables of the PSU
are loose or
damaged.
2. The PSU is
faulty.
3. The
communications
port of the main
control board is
faulty.
1. The
communications
cables of the PSU
are loose or
damaged.
2. The PSU is
faulty.
3. The
communications
port of the main
control board is
faulty.
1. The cables to
the discharge
temperature
sensor are not
connected
properly.
2. The discharge
temperature
sensor is faulty.
1. The cables to
the pressure
sensor are loose or
damaged.
2. The pressure
sensor is faulty.
9 Alarm Reference
Solution
1. Check the
communications cables
of the PSU.
2. Maintain or replace
the PSU.
3. Maintain or replace
the main control board.
1. Check the
communications cables
of the PSU.
2. Maintain or replace
the PSU.
3. Maintain or replace
the main control board.
1. Check cables to the
discharge temperature
sensor.
2. Maintain or replace
the discharge
temperature sensor.
1. Check the cables to
the pressure sensor.
2. Replace the pressure
sensor.
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