Huawei UPS5000-S Series User Manual page 277

UPS5000-S-(350 kVA-800 kVA) User Manual
User Manual
Alarm ID Alarm Name
(Alarm
ID-Cause
ID)
0098-1 Bypass current
not shared
0150-1 Inverter
asynchronous
0101-1 BSC signal
abnormal
0102-1 Maint. breaker
misoperation
Issue 05 (2019-02-27)
Severity Cause
 The ECO
bypass
voltage or
frequency
range is
incorrectly
set.
 The bypass
input
sequence is
reverse or the
neutral wire
is
disconnected.
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.
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.
Copyright © Huawei Technologies Co., Ltd.
Solution
breakers are correctly connected.
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.
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
C Alarm List
268