TM 9-2350-277-20-1
NO POWER FROM UPS POWER EXTENSION BOX A18 (M1068A3 ONLY)—Continued
0098 00
T
1. Open front cover on ATCCS UPS Storage Box and remove cable
W251 plug P1 (1) from UPS jack AC OUT.
2. Remove cable W251 plug P2 (2) from UPS Power Extension Box
A18 jack J6 (3).
3. Measure resistance between pins of plugs P1 (1) and P2 (2) of
cable W251 as follows:
P1 pin A to P2 socket A
P1 pin B to P2 socket B
P1 pin C to P2 socket C
4. Does multimeter read 0 ohms for each measurement?
YES
NO
TN
1. Replace cable W251 (WP 0852 00).
2. Verify no faults found.
0098 00-2
