FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
3 Maintenance
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
42
Categ
ory
Item
Method
Expected
Result
Troubleshooting
Coolin
g
system
T/H
sensors
Use a precision
T/H sensor to
calibrate the T/H
sensor for the air
conditioner.
The temperature
deviation is less
than 1°C, and
the humidity
deviation is less
than 5%.
If the temperature or
humidity deviation exceeds
the threshold, calibrate the
T/H sensor by following
instructions in
ACC
Precision Air Conditioner
Controller User Manual
, or
replace the remote T/H
sensor for an Air
Conditioner.
Evaporato
r fins
Check the
evaporator fins.
There is no
lodging fin.
If there are lodging fins,
comb the lodging fins using
a fin brush.
Leakage
Check welding
points and needle
valves using soap
water.
There is no
leakage point.
If leakage occurs, reclaim
the refrigerant and contact
Huawei technical support.
Monito
ring
system
Air filter
of the
ventilator
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. Replace the
ventilation vent air filter if
more than 50% of the
meshes are blocked.
Other
system
s
Pre-fab.
module
grounding
Check the
connection
between pre-fab.
module ground
points and the
ground grid.
Ground
points on
pre-fab.
modules are
intact and
free from
rust.
The ground
bolts are
securely
grounded and
free from
rust.
If the pre-fab. module
ground points are damaged,
repair them and take
anti-corrosion measures.