Huawei UPS5000-S Series User Manual page 274

UPS5000-S-(350 kVA-800 kVA) User Manual
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
Issue 05 (2019-02-27)
Severity Cause
excessive.

Critical The
inter-rack
parallel
system CAN
bus is
disconnected
or
short-circuite
d.

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.
Copyright © Huawei Technologies Co., Ltd.
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.
C Alarm List
265