Item Method Check Standard Troubleshooting
Cable Check that no cable has
aged.
Cables are not aged. Replace aged cables.
Temperat
ure 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.
3.6.3 Monitoring System
Table 3-16 Semi-annual maintenance checklist for the monitoring system
Check Item
Operation Check Standard Troubleshooting
Smart ETH
gateway
Power input Input voltage: 45–55 V DC Check the input power cables
if the input voltage is
abnormal.
Power output Output voltage: 45–55 V DC For details, contact Huawei
technical support.
PWR indicator Steady on: The power supply is
normal.
O: No power supply is
available.
Check the input power cables.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 3 Routine Maintenance
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 43
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