Service manual

Always On UPS Systems
M0704_NX_Series_Service_Manual V2.17 2012-06-12 19
13. LCD DISPLAY AND LED DESCRIPTION
Before powering down the system to perform service or maintenance, record the
readings and all the LED’s that are illuminated on the Front Panel Status Report Log.
This will aid in identifying the status of the UPS system prior to shutdown.
Below is a reference list for possible LED notification and readings on the LCD display.
Figure 13.1
Front Dis
p
la
y
C
A
B
R
Q
P
O
N
M
L
K
J
I
H
G
F
E
D