FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
4 Routine Maintenance
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
55
Categ
ory
Item
Method
Expected Result Troubleshooting
system
air-cooled
air
condition
ers
calibrate the T/H
sensor for the air
conditioner.
than 1°C, and the
humidity
difference is less
than 5%.
in the
ACC Precision Air
Conditioner Controller
User Manual
or replace
the T/H sensor by
following instructions in
6.2.1 Replacing a Remote
T/H Sensor for an Air
Conditioner
Check the
evaporator fins.
No fins are pushed
down.
Use a fin brush to
organize the fins that are
pushed down.
Use soapy water
to check whether
soldering points
and needle valves
leak.
No leakage
occurs.
If leakage occurs, reclaim
the refrigerant and contact
Huawei technical support.
Monito
ring
system
Air filter
of the
hydrogen
exhaust
fan
Shut down the
fan and check
whether the air
filter is blocked.
The air filter is not
blocked.
If an air filter is slightly
blocked, clean the air
filter and reinstall it. If
more than 50% of the
meshes are blocked,
perform replacement by
following instructions in
6.2.5 Replacing a
Ventilation Vent Air
Filter
T/H
sensors
(with
LCD)
Check the T/H
sensors against
specifications on
their labels.
The T/H sensors
meet
requirements.
Replace by following
instructions in
Replacing a Polymer T/H
Sensor
Other
system
s
Groundin
g
containers
Check
whether the
ground points
on the
containers are
properly
connected to
the ground
grid.
Check
whether
ground cables
are properly
connected to
the containers.
Ground points
on containers
are intact and
free from rust.
The ground
bolts are
securely
grounded and
free from rust.
If the container ground
points are damaged,
repair them and take
anti-corrosion measures.
Groundin
g external
cable
Check
whether
ground cables
Ground points
on cable trays
are intact and
If the cable tray ground
points are damaged,
repair them and take