Huawei NetCol5000-A025 User Manual page 204

NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width)
Al
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ID
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a0
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Issue 15 (2020-12-10)
Alarm Ala Impact
Name rm
Sev
erit
y
Compre MA Generates
ssor JOR an alarm.
dischar
ge
temper
ature
sensor
fault
Compre MA Generates
ssor JOR an alarm.
dischar
ge
pressur
e
sensor
fault
Compre MA Generates
ssor JOR an alarm
suction and shuts
pressur down the
e compressor.
sensor
fault
Compre CRI Generates
ssor TIC an alarm
drive AL and shuts
commu down the
nicatio compressor.
n failed
alarm
Compre MA Generates
ssor JOR an alarm
start and shuts
failure down the
alarm compressor.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
1. The cables to
the exhaust air
temperature
sensor are loose
or damaged.
2. The exhaust air
temperature
sensor is faulty.
1. The cables to
the pressure
sensor are loose
or damaged.
2. The pressure
sensor is faulty.
1. The cables to
the pressure
sensor are loose
or damaged.
2. The pressure
sensor is faulty.
1. The cables to
the compressor
drive are loose
or damaged.
2. The compressor
drive is faulty.
1. The compressor
lacks oil.
2. The compressor
is faulty.
3. The compressor
drive is faulty.
Solution
1. Check cables to the
exhaust air
temperature
sensor.
2. Maintain or replace
the exhaust air
temperature
sensor.
1. Check the cables to
the pressure sensor.
2. Replace the
pressure sensor.
1. Check the cables to
the pressure sensor.
2. Maintain or replace
the pressure sensor.
1. Check the cables to
the compressor
drive.
2. Maintain or replace
the compressor
drive.
1. Fill oil to the
compressor.
2. Maintain or replace
the compressor.
3. Maintain or replace
the compressor
drive.
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