TM 9-2350-277-20-1
POWER CONTROL ENCLOSURE A1 DC INPUT/OUTPUT INOPERATIVE (M1068A3
ONLY)—Continued
0090 00
A5Y
1. Have helper depress DC TO INVERTERS button (1) on Power
Control Enclosure panel.
2. Measure voltage between terminal 1 (2) of circuit breaker CB2
(3) and ground.
3. Repeat measurement between terminal 2 (4) and ground.
4. Does multimeter read 22 volts DC or more for both
measurements?
YES
NO
A5YN
1. Replace circuit breaker CB2
(WP 0828 00).
2. Verify no faults found.
0090 00-9
