UPS5000-E-(50 kVA-300 kVA) 
User Manual (50 kVA Power Modules) 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
Alarm 
ID 
(Alarm 
ID-Caus
e ID) 
UPS is not 
normal, and 
transfers to 
bypass mode. 
The 
configured 
rack address 
conflicts with 
another one. 
Check the rack address setting. 
 
The load 
is 
excessive. 
 
The rack 
capacity 
setting is 
not 
appropriat
e. 
 
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. 
I2C 
communicati
on with the 
dry contact 
board 
MUE05A 
fails. 
Replace the dry contact board 
MUE05A. 
I2C 
communicati
on with the 
dry contact 
board 
MUE06A 
fails. 
Replace the dry contact board 
MUE06A. 
The UPS is 
working in 
battery mode. 
The running status is displayed. See 
details about how to handle other 
alarms. 
The running status is displayed. See 
details about how to handle other 
alarms. 
The running status is displayed. See 
details about how to handle other 
alarms. 
The running status is displayed. No 
further measures are required.