Huawei NetCol5000-C Series User Manual page 115

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
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Issue 07 (2020-03-16)
Operation
blades are intact.
Check that no abnormal
voice is generated
during operation.
Check that the fan
screws are secured and
not deformed.
Check that the wiring
terminals are secured.
Check that the wiring
terminals are secured.
Use a brush or
compressed dry air to
clean various electric
components, control
components, the main
control board, and the
surge protection and
voltage test board.
Check whether the
display panel, humidity
and temperature sensor
or cables is aging on the
surface.
Use a high-precision
humidity and
temperature sensor to
calibrate the humidity
and temperature sensors
inside and outside the
cabinet.
The heat exchanger fins
are not pushed down.
Check that the thermal
insulation foam on the
chilled water pipe is
intact.
Check that the pipe
support is intact and
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
blades. If the fan
blades are
irreparable, replace
the fan.
Clean the foreign
matters, and make
sure that the fan is
fixed properly.
Tighten the screws.
Replace the screws if
necessary.
Reconnect the cables
again.
If a wiring terminal
is loose, secure or
replace it promptly.
N/A
Replace the
components or
cables.
If the temperature
deviation is greater
than 1° C or humidity
deviation is greater
than 5%, calibrate or
replace the humidity
and temperature
sensor.
Use a fin brush to
organize the fins that
are pushed down.
Rewrap the thermal
insulation foam.
Secure the base.
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