Huawei FusionModule500 User Manual page 160

FusionModule500 Smart Mini Data Center
User Manual (ECC800e)
Alarm
Batt.
overvolt.
Batt.
undervolt.
Batt.
overcurren
t
Breaker
OFF
(Reason
1)
Breaker
OFF
(Reason
2)
Breaker
OFF
(Reason
3)
Maintain
batt.
Issue 07 (2019-12-20)
Severity Possible Cause
50° C).
2. The battery
charge/discharge current
exceeds the upper
threshold.
1. The configured number of
Minor
batteries is less than the
actual number.
2. The battery string charge
voltage exceeds the upper
threshold.
Minor The mains input is abnormal.
Battery discharge results in a
low battery voltage.
Minor The charger is abnormal.
1. The mains input power
Critical
cables are incorrectly
connected.
2. The mains input circuit
breaker is OFF.
1. The bypass is
Critical
short-circuited or the
bypass input experiences
overcurrent.
2. The bypass input circuit
breaker is OFF.
1. The output is
Critical
short-circuited or
experiences overcurrent.
2. The output circuit breaker
is OFF.
1. The battery capacity is
Minor
incorrectly set.
2. The battery loop cannot be
discharged.
3. The battery capacity is low.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Solution
charge/discharge current by
reducing loads.
1. Check battery parameter
settings.
2. Disconnect the external
battery charger and check
whether the alarm is
cleared. If not, contact
Huawei technical support
for repair.
If possible, connect to the
mains power when the UPS is
in non-battery test state.
Contact Huawei technical
support for repair.
Check whether mains input
cables are correctly connected.
If yes, switch on the mains
input circuit breaker.
1. Check whether the bypass
output load is
short-circuited using a
multimeter.
2. Check whether cable
connections are correct. If
yes, switch on the bypass
input circuit breaker.
1. Check whether the circuit
breaker downstream load is
short-circuited using a
multimeter.
2. Check whether cable
connections are correct. If
yes, switch on the output
circuit breaker.
1. Check whether the
configured battery capacity
matches the connected
battery capacity.
2. Check battery connections
and the status of each
battery.
3. Contact Huawei technical
support for repair.
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