Maintenance Item Operation Expected Result Troubleshooting
Surge protection
module
Check the surge
protection module
indicator and MCB
status.
● The surge
protection module
indicator is green.
● The MCB is
switched on.
● If the surge
protection module
indicator is red,
replace the surge
protection module.
● If the MCB is
o,
switch it on.
UPS Operating
environment
● Ambient
temperature: 0–
40°C
● Humidity: 0–95%
RH (non-
condensing)
● If the humidity and
temperature are
abnormal, check
the smart cooling
product status.
● If the input voltage
is abnormal, check
the power grid
status and input
cable connection.
LCD According to the
status icons on the
LCD, all units are
operating properly. No
fault or alarm
information is found
in the active and
historical alarm
records.
If an alarm is present,
rectify the fault by
checking the device
status and parameters.
ECC800-Pro AC input Input voltage: 200–
240 V AC
Frequency: 45–55 Hz
If the input voltage is
abnormal, check the
power grid and input
cable connection.
Output voltage Output voltage: 53.5 V
DC±5%
If the output voltage is
abnormal, check the
power grid status and
cable connections.
Indicator The indicator on the
PSU is steady green.
Check the output
voltage and determine
whether the PSU is
faulty. If the PSU is
faulty, replace it.
Fan No abnormal noise is
generated.
If abnormal noise is
generated, clean the
fan.
FusionModule800 Smart Small Data Center
User Manual 6 O&M
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 356
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