NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
6 System Operation and Maintenance
Copyright © Huawei Technologies Co., Ltd.
1. The comp is in lack of
oil.
2. The comp driver is
faulty.
3. The comp is faulty.
1. Fill oil to the comp.
2. Maintain or replace the
comp driver.
3. Maintain or replace the
comp.
The fans in the comp driver
are faulty.
Check the fans in the
comp driver.
Comp
drive
module
overhea
t
1. The fans in the comp
driver are faulty.
2. Dirt exists in the air
vents of the fans in the
comp driver.
1. Check the fans in the
comp driver.
2. Clean the air vents of
the fans in the comp
driver.
1. The cables to phase U
of the comp driver are
loose or damaged.
2. The comp driver is
faulty.
1. Check the cables to the
comp driver.
2. Maintain or replace the
comp driver.
1. The cables to phase V
of the comp driver are
loose or damaged.
2. The comp driver is
faulty.
1. Check the cables to the
comp driver.
2. Maintain or replace the
comp driver.
1. The cables to phase W
of the comp driver are
loose or damaged.
2. The comp driver is
faulty.
1. Check the cables to the
comp driver.
2. Maintain or replace the
comp driver.
The alarm
is
generated
, and the
compress
or shuts
down.
1. The comp is in lack of
oil.
2. The condenser fins are
blocked.
3. The outdoor units do
not run properly.
4. The solenoid valve is
faulty.
5. The refrigerant is
overfilled.
6. The comp is faulty.
1. Fill oil to the comp.
2. Clean the condenser
fins.
3. Maintain or replace the
outdoor units.
4. Maintain or replace the
solenoid coil or the
solenoid valve.
5. Decrease certain
amount of refrigerant.
6. Maintain or replace the
comp.
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