Huawei FusionModule800 Maintenance Manual page 152

FusionModule800 Smart Small Data Center
Maintenance Guide
Maintenance area
Issue 02 (2016-11-15)
Item
Electric heater
Monitoring unit
Electric control box
components
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Copyright © Huawei Technologies Co., Ltd.
Operation Expected Result
N/A Check that the
thermal insulation
foam is intact.
N/A The electric heaters
are secured.
N/A Check that the
electric heater
surfaces are not
eroded.
N/A Export air
conditioner logs,
alarms,
temperature,
humidity, the
operating status of
the compressor,
fan, electric heater,
wet film
humidifier, and
water pump, and
time from the
monitoring system.
View the historical
alarms generated in
this quarter and
select the most
common five ones.
(If no monitoring
system is available,
skip this item.)
N/A Check that all fuses
work properly.
N/A Check that the
cable connection is
secure and correct.
N/A Check that the
electrical
components and
control
components of the
indoor unit are free
from dirt.
A Preventive Maintenance Table
Troubleshootin
g
Rewrap the
thermal insulation
foam.
Secure the electric
heaters and
temperature
switches.
Replace the
electric heater by
following
instructions in
5.3.1.6 Replacing
an Electric Heater.
Rectify the fault
or contact Huawei
technical support.
Replace abnormal
fuses.
Secure loose
cables.
(Perform the
operation with the
power off.) Use a
brush or
compressed dry
air to remove dust
from electrical
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