Compo
nent
Item (on the Basis of
Monthly Maintenance)
Troubleshooting
Electric
heater
Start the device, choose Maint
> Diagnostic Mode > Enter
on the home screen, and start
the electric heater. Check that
the electric heater generates
heat.
NOTE
To avoid burns, do not touch the
electric heater surface with bare
skin.
Replace the electric heater.
8.1.4 Yearly Maintenance
Table 8-4 lists yearly maintenance items for the indoor unit.
Calculate the total cooling capacity and total server load of the running smart
cooling products. If the total load exceeds 80% of the total cooling capacity of the
smart cooling product, Huawei recommends increasing the number of smart
cooling products.
Table 8-4 Yearly maintenance checklist
Compon
ent
Item (on the Basis of
Quarterly Maintenance)
Troubleshooting
Sensor Use a precision T/H sensor to
calibrate the T/H sensors inside
and outside cabinets.
If the temperature deviation is
greater than 1°C or humidity
deviation is greater than 5%, the
T/H sensor must be calibrated or
replaced.
Evaporat
or
The evaporator ns are not
pushed down.
Use a n brush to organize the
ns that are pushed down.
Welding
point
and
needle
valve
Check that the welding spots
and needle valves do not leak
using soapy water, or check
that they are free from oil
stains.
If leaking points are found, retrieve
the refrigerant and weld the
leaking points again. For details,
contact Huawei technical support.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 8 Maintenance
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 177
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