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UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
Alarm ID
Alarm Name
(Alarm ID-
Cause ID)
0150-1
Inverter
asynchronous
0101-1
BSC signal
abnormal
0102-1
Maint. breaker
misoperation
0380
In self-check
Issue 03 (2020-01-10)
Severity
Cause
The bypass SCR
open-circuits.
Minor
The bypass frequency
changes fast.
The output frequency
track rate is
incorrectly set.
Minor
The dual bus
connector is loose.
Parameters are set
incorrectly.
Critical
The user operation is
incorrect.
Warning
The inverter is in self-
check.
Copyright © Huawei Technologies Co., Ltd.
B Alarm List
Solution
on each rack meet the
length requirements.
3. Rectify any bypass SCR
open-circuit.
1. Check that the bypass
output frequency does
not change fast.
2. Check that the Output
freq. track rate is
properly set.
1. Check the dual bus
connector.
2. Check the parameter
settings.
1. Shut down the inverter
and then close the
maintenance circuit
breaker.
2. After maintenance,
open the maintenance
circuit breaker and then
start the inverter.
Wait until the inverter self-
check is complete.
209
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