
FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
4 Routine Maintenance
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
Item
Method
Expected
Result
Troubleshooting
Perform shallow
discharge test.
Verify that the
backup power
for the UPS is
working
properly, and
conduct a
shallow
discharge test
to check
whether the
discharge
process is
normal.
If any exception is identified, locate
and record the fault.
4.4.2 Cooling System
Table 4-10
Quarterly maintenance checklist for the cooling system
Item
Method
Expected
Result
Troubleshooting
20 kW
air-cooled
precision
air
conditioner
Check the indoor
fans.
The fan cover
is not
misshapen.
Replace the faulty indoor fan by
following instructions in the air
conditioner user manual.
The fan blades
are intact.
Replace the faulty indoor fan by
following instructions in the air
conditioner user manual.
Check the running
sound of the indoor
fan.
No abnormal
noise is
generated.
Replace the faulty indoor fan by
following instructions in the air
conditioner user manual.
Check screws
securing the indoor
fan.
The indoor fan
is securely
installed.
Tighten screws securing the indoor
fan.
Check air filters.
The air filters
are blocked.
Clean dust from the air filters using
a brush or vacuum cleaner.
The air filters
are not
damaged or
misshapen.
Replace by following instructions in
6.2.2 Replacing Air Filters for a 20
kW Air-Cooled Precision Air
Conditioner
Check the
condensate water
pan.
There is no
scale.
Clean the condensate water pan.
Check the
humidifier
Switch the
humidifier
If the drainage is abnormal:
If the drainage solenoid cannot