Huawei UPS5000-E Series User Manual page 273

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
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
Max. number of
0086-1
BPM transfers
0087-1 System
transfer-to-bypass
Issue 11 (2019-12-20)
Severity Cause
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.
The system
Minor
frequently transfers
to bypass mode due
to overload timeout
or load impact.
Warning The neighboring
UPS is not normal,
and transfers to
bypass mode.
Copyright © Huawei Technologies Co., Ltd.
B Alarm List
Solution
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 inter-rack parallel
cable.
Restore the EPO button status.
Start the UPS after the alarm is
cleared.
Check the load.
Check the reason why the
neighboring UPS transfers to
bypass mode.
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