02/02
20
Figure 2-1: LED Indications
A = (Q1) Rectifier Input Power Switch
B = (Q2) Static Bypass Input Power Switch
C = (Q3) Maintenance Bypass Power Switch
D = (Q4) UPS Output Power Switch
1 = Reset Push-button
2 = UPS Logic Boards
Figure 2-2: Power Switch Identification
3
6
8
1
2
4
5
9
7
3
6
8
1
2
4
5
9
7
A
B
C
D
1
2
A
B
C
D
1
2
7400M - Series UPS User Manual
Single Module and 1+N Parallel System
