Huawei NetCol5000-A050 - The compressor discharge temperature is too high

Symptom Possible Cause Solution
The compressor does not
work.
Check whether the drive is faulty.
Replace it if it is faulty.
The
compressor
discharge
temperatur
e is too
high.
The refrigerant loop or a
component is blocked.
Clean the blockage in the
refrigerant loop.
The outdoor unit is installed in
an inappropriate position.
(The outdoor unit should not
be exposed to direct sunlight
and must be installed at a
specied spacing according to
the installation guide.)
Install the outdoor unit in a
correct position, without
exposure to direct sunlight and
with an appropriate spacing.
Air exists in the cooling
system.
Exhaust air, and examine and
repair the pipeline.
Heat dissipation is poor
because of blockages in the
condenser.
Clean the condenser ns.
An outdoor fan fails. Check whether the outdoor fan
works.
Refrigerant is insucient. Increase the amount of
refrigerant lled.
The
compressor
exhaust
pressure is
too low.
The outdoor fan speed
controller fails.
Replace the speed controller.
Refrigerant is insucient. Increase the amount of
refrigerant lled.
Refrigerant is leaking. Check the pipeline for any
leakage.
The
exhaust
pressure of
the
compressor
is too high.
The refrigerant is overlled. Fill refrigerant according to the
refrigerant lling requirements.
The outdoor fan is faulty. Check that the outdoor fan is
running properly.
The
compressor
suction
pressure is
too low or
liquid
returns.
The refrigerant lled is
insucient.
Add the refrigerant.
The indoor temperature is too
low.
Change the temperature setting.
Filters are clogged with dirt. Replace the lters.
The external excess pressure is
too high, and air decreases.
Check whether the air duct is
blocked.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 10 Troubleshooting
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 244