Huawei UPS5000-E-25K-SM User Manual page 182

UPS5000-E-(25 kVA-75 kVA)-SM
User Manual (Half Height)
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 (2019-12-13)
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.
The inverter is in
Warning
self-check.
Copyright © Huawei Technologies Co., Ltd.
B Alarm List
Solution
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.
3. The master BSC system is not
supplying power.
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.
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