UPS5000-S-1200 kVA
User Manual
10 Alarm List
Issue 04 (2019-06-25)
Copyright © Huawei Technologies Co., Ltd.
204
Alarm ID
(Alarm
ID-Cause
ID)
Alarm Name Severity
Cause
Solution
The ECO
bypass
voltage or
frequency
range is
incorrectly
set.
The bypass
input
sequence is
reverse or the
neutral wire
is
disconnected.
breakers are correctly connected.
0098-1
Bypass current
not shared
Minor
The output
and input
circuit
breakers are
OFF.
The length of
the bypass
input or
output cables
is incorrect.
The bypass
SCR
open-circuits.
1.
Check that the output and bypass input
circuit breakers on each rack are ON.
2.
Check that bypass input and output
power cables on each rack meet the
length requirements.
3.
Rectify any bypass SCR open-circuit.
0150-1
Inverter
asynchronous
Minor
The bypass
frequency
changes fast.
The output
frequency
track rate is
incorrectly
set.
1.
Check that the bypass output frequency
does not change fast.
2.
Check that the
Output freq. track rate
is properly set.
0101-1
BSC signal
abnormal
Minor
The dual bus
connector is
loose.
Parameters
are set
incorrectly.
1.
Check the dual bus connector.
2.
Check the parameter settings.
3.
The master BSC system is not supplying
power.
0102-1
Maint. breaker
misoperation
Critical
The user
operation is
incorrect.
1.
Shut down the inverter and then close
the maintenance circuit breaker.
2.
After maintenance, open the
maintenance circuit breaker and then