Huawei NetCol5000-C Series User Manual page 150

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
No.
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Issue 09 (2020-01-10)
Operation
Check that the blades
are intact.
Check that no
abnormal voice is
generated during
operation.
Check that the screws
are secured and not
deformed.
Check that the wiring
terminals are secured.
Check and secure all
cables and verify that
wiring terminals are
secure. For example,
check that the cable
connections from the
electric control panel
to the fan, temperature
sensor, water sensor,
subrack power supply,
chilled water valve,
and high and low float
switches are secure.
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
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
Maintain the blades. If
the fault is not rectified,
replace the fan by
referring to 6.4.5
Replacing a 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. For
Period Result
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
□Passed.
Semi-annual
□Failed.
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