9395. AUDIO WARNING SYSTEM MAINTENANCE OPERATIONAL CHECK (cont)
STAB MAN AC
STAB MAN DC
STAB AUTO DC
STAB AUTO AC
Pilot Circuit Breaker Panels
b. On CPG circuit breaker panel 1 (fig. 9240),
check that EMERG BATT ICS circuit
breaker (CB13) is closed.
If EMERG BATT ICS circuit breaker (CB13) does not
stay closed, refer to TM 11-1520-238-23-2 to
troubleshoot intercommunication system.
EMERG BATT ICS
CPG Circuit Breaker Panel 1
c. On pilot ELEC PWR panel (fig. 9241), set
BATT/EXT PWR switch to OFF and back to
EXT PWR. Check that audio warning is
heard in pilot and CPG headsets.
If audio warning is not heard in both headsets, go to
If audio warning is heard in one but not the other
headset, refer to TM 11-1520-238-23-2 to
troubleshoot integrated audio warning system.