Huawei FusionModule500 User Manual page 159

FusionModule500 Smart Mini Data Center
User Manual (ECC800e)
Alarm
2)
Abnormal
mains
volt.
(Reason
3)
Mains
phase
reverse
Mains
neutral
loss
Rect. start
overlimit
Abnormal
BPS volt.
(Reason
1)
Abnormal
BPS volt.
(Reason
2)
BPS phase
reverse
BPS
neutral
loss
Start
timeout
Batt.
reverse
No battery
Batt.
overtemp.
Issue 07 (2019-12-20)
Severity Possible Cause
Minor The mains frequency is not in
the range of 40 Hz to 70 Hz.
The mains input three-phase
Minor
sequence is incorrect.
Minor The mains input neutral wire is
not connected.
Minor The mains voltage frequently
becomes abnormal during
startup.
Minor The bypass input voltage is
abnormal.
Minor The bypass input frequency is
abnormal.
The bypass input three-phase
Minor
sequence is incorrect.
Minor The bypass input neutral wire
is not connected.
1. The bypass load exceeds
Critical
the rated inverter load.
2. An internal fault occurs in
the UPS.
Critical Batteries are reversely
connected.
1. Batteries are not connected.
Minor
2. Batteries are not securely
connected.
1. The ambient temperature
Minor
exceeds the battery high
temperature alarm
threshold (default value:
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Solution
mains recovers.
Check the mains input
frequency. If the mains input
frequency is abnormal, wait
until the mains input recovers.
Check that mains input power
cables are correctly connected.
Check that mains input power
cables are correctly connected.
Check the mains input voltage.
If the voltage is abnormal,
clear the alarm and restart the
UPS.
Check whether the bypass
input voltage exceeds the
configured range. If yes,
change the range or wait until
the bypass input recovers.
Check whether the bypass
input frequency exceeds the
configured range. If yes,
change the range or wait until
the bypass input recovers.
Check that bypass input cables
are correctly connected.
Check that bypass input cables
are correctly connected.
1. Reduce the output load,
manually clear the alarm,
and restart the UPS.
2. Contact Huawei technical
support for repair.
Check the battery installation,
and reinstall the batteries.
1. Connect batteries.
2. Check that batteries are
securely connected.
1. Install more cooling
equipment such as smart
cooling products.
2. Control the battery
150