Huawei UPS5000-A User Manual page 177

UPS5000-A-(60 kVA-120 kVA)-H
User Manual
Alarm ID Alarm Name
(Alarm
ID-Cause
ID)
0583-1 Inter-rack par.
cable
abnormal
0583-4
0583-5
0583-6
0584-2 Inter-rack par.
cable alarm
0584-4
0085-1 EPO
0086-1 Max. number
of BPM
transfers
Issue 05 (2020-01-10)
Severity Cause
channel is
blocked.
 The ambient
temperature
exceeds the upper
threshold.
 The load is
excessive.
Critical  The inter-rack
parallel system
CAN bus is
disconnected or
short-circuited.
 Only one rack
works in a parallel
system.
 An ECM is faulty.
The inter-rack
industrial-frequency
synchronization cable
is broken.
The inter-rack carrier
synchronization cable
is broken.
 The intra-rack
INVBYP cable is
broken.
 The parallel CAN
bus is broken.
Minor The inter-rack
parallel cable is
faulty.
The inter-rack
industrial frequency
synchronization cable
is broken.
Critical The EPO button is
pressed.
Minor The system
frequently transfers to
bypass mode due to
overload timeout or
Copyright © Huawei Technologies Co., Ltd.
Solution
2. Check that the ambient
temperature has not exceeded
40° C.
3. Check that there is no overload.
1. Check the inter-rack parallel
system CAN bus.
2. Rectify the disconnection or short-
circuit fault.
3. Replace the ECM.
Replace the inter-rack parallel cable.
Replace the parallel cable.
Restore the EPO button status. Start
the UPS after the alarm is cleared.
Check the load.
B Alarm List
169