UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
2 Overview
Issue 03 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
31
2.3.4 MDU
Appearance
Figure 2-20
MDU
(1) Status indicator
(2) LCD touchscreen
Table 2-8
Status indicator
Status
Color
Meaning
On
Red
A critical alarm has been generated, and the buzzer sounds
continuously.
Yellow
A minor alarm has been generated, and the buzzer buzzes at 2 Hz.
Green
The UPS is running properly or a warning has been generated.
Off
N/A
The MDU is powered off.
The indicator on the MDU panel is yellow when the bypass supplies power in non-ECO mode.
Figure 2-21
MDU ports