
Cat
eg
ory
Sympt
om
Possible Cause
Measure
The water inlet pipe
or drainpipe leaks.
Check the water inlet pipe and
drainpipe and their connectors, and
repair or replace them based on site
requirements.
Humidi
ty is
high or
there is
conden
sation
in the
equipm
ent
room.
For a single smart
cooling product, the
server heat load is
lower than 2.5 kW.
● Verify that the doors, windows,
floors, and ceilings of the equipment
room are properly sealed.
● If the outdoor humidity is too high,
shut down the fresh air system.
● Open the aisle doors or control
skylights of the data center, or open
the filler panels of some server
cabinets.
Use the cold aisle containment to
control the humidity.
Add extra dehumidifiers.
Ou
tdo
or
uni
t
Abnor
mal
noise is
generat
ed
during
operati
on.
The compressor, fan,
or pipes are loose.
Check and secure loose parts.
The
compre
ssor
does
not
work.
The high and low
pressure switches are
triggered.
Check the high and low pressure
switches.
The circuit breaker,
fuse, or cable is
disconnected.
Check the main circuit breaker, fuses,
and cables.
The compressor
motor is damaged.
Check whether the motor is damaged.
Replace the motor if it is faulty.
The compressor does
not need to start.
Check for the requirement status on the
LCD.
The compressor does
not work.
Check whether the compressor driver is
faulty. Replace the compressor driver if
it is faulty.
The
compre
ssor
dischar
The refrigerant loop
or component is
blocked.
Clean the loop and components.
FusionModule800 Smart Small Data Center
User Manual
6 O&M
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
371