Cate
gory
Sympto
m
Possible Cause
Measure
Out
door
unit
Abnorma
l noise is
generate
d during
operation
.
The compressor, fan, or
pipes are loose.
Check and secure loose parts.
The
compress
or does
not work.
The high and low pressure
switches are triggered.
Check the high and low pressure switches.
The switch or cable is
disconnected.
Check the main switch and cables.
The compressor is
damaged.
Replace the compressor.
The compressor does not
need to start.
Check for the temperature and humidity set
points on the LCD, and adjust the set points for
appropriate valve.
The main board or drive
board of outdoor unit is
damaged.
Replace the main board or drive board of
outdoor unit.
The
compress
or
discharge
temperat
ure is too
high.
The outdoor units are not
installed in right positions.
(The installation distances
should meet requirements.)
Install outdoor units in the right positions based
on the installation requirements.
Air enters the refrigerant
loop.
Check the discharge temperature and pressure.
Eliminate and retrieve refrigerant. Refill
refrigerant.
Heat dissipation is poor
because the condenser is
dirty or blocked.
Clean the condenser fins using a fin brush.
The outdoor fan fails.
Check whether the outdoor fan works properly.
The refrigerant is
insufficient.
Fill more refrigerant.
The
compress
or
discharge
pressure
is too
low.
The refrigerant is
insufficient.
Fill more refrigerant.
The outdoor fan speed
controller fails.
Replace the fan speed controller.
Refrigerant leaks.
Apply soapy water or use a halogen leak
detector to check for any leakage. If leaking
points are found, retrieve the refrigerant and
weld the leaking points again. Contact Huawei
technical support.
NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
5 System Operation and Maintenance
Issue 02 (2020-11-09)
Copyright © Huawei Technologies Co., Ltd.
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