FusionModule1000A40 ICT Solution
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-03-05)
Copyright © Huawei Technologies Co., Ltd.
36
Item
Method
Check Standard
Troubleshooting
control
box
before
maintaini
ng the
internal
compone
nts.)
Check that the
electrical
components,
control
components,
SPDs, and
voltage
detection
boards are not
dusty.
The components are clean
and free from dust.
(Perform the operation with
the power off.) Use a brush
or compressed dry air to
remove dust from electrical
components, control
components, and voltage
detection boards.
Check that the
control board,
display panel,
T/H sensor,
and surge
protection and
voltage
detection board
are not aging
on the surface.
All components are normal
and free from signs of aging.
Replace the abnormal board.
Check that all
contactors
work properly.
Contactors work properly
and smoothly.
Replace abnormal
components.
Cable
Check that no
cable has aged.
Cables are not aged.
Replace aged cables.
Tempera
ture and
humidity
(T/H)
sensor
Check and
calibrate the
T/H sensor.
The T/H sensors are working
properly, and the
temperature and humidity
deviations are within the
allowed range.
If the temperature error is
greater than 1°C or humidity
error is greater than 5%, the
T/H sensor must be
calibrated or replaced. For
the calibration method, see
the ACC Precision Air
Conditioner Controller User
Manual.
Water
detector
Check whether
the water
detector cable
is securely
connected.
The water sensor cable is
securely connected.
Connect the cable properly.
3.7.3 Monitoring System
Table 3-16
Semi-annual maintenance checklist for the monitoring system
Check
Item
Operation
Check Standard
Troubleshooting