Huawei NetCol8000-A013 User Manual page 92

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
Cate Sympto Possible Cause
gory m
generate
d.
Out The unit The compressor, fan, or
door generates pipes are loose.
unit abnormal
voice.
The The high and low pressure
compress switches are triggered.
or does
The switch or cable is
not work.
disconnected.
The compressor is
damaged.
A compressor does not
need to be started.
The main board or drive
board of the 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 compressor.
ure is too
high.
Heat dissipation is poor
because the condenser is
dirty or blocked.
The outdoor fan fails.
Refrigerant is insufficient.
The Refrigerant is insufficient.
compress
The outdoor fan speed
or
controller fails.
discharge
pressure
Refrigerant leaks.
is too
low.
The outdoor temperature is
too low.
Issue 06 (2022-11-25)
Solution
Add dehumidifiers.
Check and secure loose parts.
Check the high and low pressure switches.
Check the switch and cables.
Replace the compressor.
Check the temperature and humidity settings
and adjust them to proper values.
Replace the main board or drive of the outdoor
unit.
Install outdoor units in the right positions based
on the installation requirements.
Check the discharge temperature and pressure.
Drain and retrieve refrigerant. Recharge
refrigerant.
Clean the condenser fins using a fin brush.
Check whether the outdoor fan works properly.
Charge more refrigerant.
Charge 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.
No action is required.
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
85