Huawei NetCol5000-C030H90D0 User Manual page 132

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
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Issue 03 (2020-08-30)
Operation
Choose Maint >
Diagnostic Mode >
Enter, and set the
chilled water valve
opening to 100%.
Check that the chilled
water valve handle
automatically turns
to the maximum
opening.
Check that no foreign
matter exists in the
fan.
Check that the fan
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 so on.
Check whether the
display panel,
humidity and
temperature sensor
or cables is aging on
the surface.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
If the handle of the chilled
water valve actuator does
not automatically turn to
the maximum, adjust the
actuator to the maximum
(100 %).
Clean the foreign matters.
Repair the fan 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.
Period Result
Quarterl □Passed
y
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
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