Huawei UPS5000-S-400K-SM User Manual page 298

UPS5000-S-(350 kVA-800 kVA)
User Manual
Alarm ID Alarm Name
(Alarm ID-
Cause ID)
0584-4
0085-1 EPO
0086-1 Max. number of
BPM transfers
0087-1 System transfer-
to-bypass
0088-1 Rack address
conflict
0089-1 Rack output
overload
0090-1 Dry contact
board fault
0090-2
Issue 12 (2023-05-26)
Severity
Critical
Minor
Warning
Critical
Minor
Critical
Copyright © Huawei Digital Power Technologies Co., Ltd.
Cause
The inter-rack
industrial
frequency
synchronization
cable is broken.
The EPO button is
pressed.
The system
frequently
transfers to
bypass mode due
to overload
timeout or load
impact.
The neighboring
UPS is not
normal, and
transfers to
bypass mode.
The configured
rack address
conflicts with
another one.
● The load is
excessive.
● The rack
capacity
setting is not
appropriate.
I2C
communication
with the dry
contact board
MUE05A fails.
I2C
communication
with the dry
contact board
MUE06A fails.
B Alarm List
Solution
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.
Check the rack address
setting.
● Check the load and remove
some loads or expand the
UPS power capacity if the
UPS is overloaded.
● Check that the configured
rack capacity meets
requirements.
Replace the dry contact board
MUE05A.
Replace the dry contact board
MUE06A.
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