Huawei NetCol8000-A013 User Manual page 89

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Cate Sympto Possible Cause
gory m
Out Abnorma The compressor, fan, or
door l noise is pipes are loose.
unit generate
d during
operation
.
The The high and low pressure
compress switches are triggered.
or does
The switch or cable is
not work.
disconnected.
The compressor is
damaged.
The compressor does not
need to start.
The main board or drive
board of outdoor unit is
damaged.
The The outdoor units are not
compress installed in right positions.
or (The installation distances
discharge should meet requirements.)
temperat
Air enters the refrigerant
ure is too
loop.
high.
Heat dissipation is poor
because the condenser is
dirty or blocked.
The outdoor fan fails.
The refrigerant is
insufficient.
The The refrigerant is
compress insufficient.
or
The outdoor fan speed
discharge
controller fails.
pressure
is too
Refrigerant leaks.
low.
Issue 02 (2020-11-09)
Measure
Check and secure loose parts.
Check the high and low pressure switches.
Check the main switch and cables.
Replace the compressor.
Check for the temperature and humidity set
points on the LCD, and adjust the set points for
appropriate valve.
Replace the main board or drive board of
outdoor unit.
Install outdoor units in the right positions based
on the installation requirements.
Check the discharge temperature and pressure.
Eliminate and retrieve refrigerant. Refill
refrigerant.
Clean the condenser fins using a fin brush.
Check whether the outdoor fan works properly.
Fill more refrigerant.
Fill more refrigerant.
Replace the fan speed controller.
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.
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
82