Maintenance
Area
Maintenance
Item
Operation Expected Result Troubleshootin
g
Water sensor and
water detection
cable
Functions of the
water sensor and
water detection
cable
Place the water
detection cable
into the water
and check
whether a water
leakage alarm is
generated by the
water sensor.
A water leakage
alarm is
generated.
If a water
leakage alarm is
not generated,
replace the
water detection
cable.
6.2 Troubleshooting
6.2.1 Power Supply and Distribution System Troubleshooting
Except mains outage, power supply and distribution faults are caused by the
damage or failure of one or more components. Rectify the faults based on fault
location and fault type.
● When a UPS is faulty, alarm information is displayed on the LCD. Critical alarms
must be handled before powering on the UPS again. Otherwise, the fault may
be extended, or the UPS may be damaged.
● If the fault is not
rectied, contact Huawei technical support.
Table 6-4 Power supply and distribution system troubleshooting
Symptom
Possible Cause Measure
The power input to the
downstream device is
abnormal.
● The switch trips
abnormally.
● The UPS is faulty.
● Use a multimeter to
check whether there
is a short circuit. Turn
on the switch again,
and check whether
the system is
overloaded.
● Restart the UPS. If the
UPS is faulty, replace
it.
FusionModule500 Smart Mini Data Center
User Manual (Philippines, FusionModule500-
SU61A12S) 6 O&M
Issue 02 (2021-06-30) Copyright © Huawei Technologies Co., Ltd. 171
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