Huawei NetCol5000-A025 User Manual page 226

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Al
ar
m
ID
a2
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Issue 15 (2020-12-10)
Alarm Ala Impact
Name rm
Sev
erit
y
Compre MA Generates
ssor JOR an alarm
drive and shuts
alarm down the
compressor.
Compre MA Generates
ssor JOR an alarm
drive and shuts
power down the
supply compressor.
abnorm
al
Compre MA Generates
ssor JOR an alarm
drive and shuts
power down the
supply compressor.
abnorm
al
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
1. The fans in the
compressor drive
are faulty.
2. The air vents of
the fans in the
compressor drive
are dirty or
blocked.
3. The compressor
drive heat sink is
dirty, so the heat
exchange effect
is poor.
4. The electric
control box
cavity is dirty or
blocked, and the
module heat
exchange effect
is poor.
5. The drive
module is faulty.
1. The power
supply voltage is
high.
2. The compressor
drive is faulty.
1. The power
supply voltage is
low.
2. The compressor
drive is faulty.
3. The primary
power supply is
faulty or the
cables to the
compressor drive
are loose or
damaged.
Solution
1. Check the fans in
the compressor
drive.
2. Clean the air vents
of the fans in the
compressor drive.
3. Clean the heat sink
after power-off.
4. Clean the cavity
after power-off.
5. Replace the drive
module.
1. Check the power
supply voltage.
2. Maintain or replace
the compressor
drive.
1. Check the power
supply voltage.
2. Maintain or replace
the compressor
drive.
3. Check the primary
power supply and
the cable
connection to the
compressor drive.
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