2-19. TROUBLESHOOTING CHART (continued).
w. AFES, CREW (continued).
(2) FAULT LAMP REMAINS LIT. FIRE DET. LEDS
LIT (continued).
C.
WARNING
Turn crew AFES T/A panel
Maintenance switch to vertical
position before disconnecting any
electrical wiring harnesses. Failure
to comply may result in discharge
of extinguisher cylinders and injury
to personnel.
1. Disconnect harness 12352353 connectors
from OFSAS.
2. Place red lead of multimeter in socket A
(wire 783A, 783B, 783C, or 783D) of the four
connectors and ground black lead.
3. With the aid of an assistant, turn MASTER
switch ON (refer to TM 9-2350-287-10), and
turn crew AFES T/A panel Maintenance
switch to horizontal position.
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10), and turn crew AFES T/A panel
Maintenance switch to vertical position.
Is voltage indicated at the OFSAS?
Replace defectiveOFSAs (para 21-14).
D. 1. Disconnect harness 12352353 connector
from the standard control electronic amplifier
(SCEA).
2. Check for continuity between:
Continued to next page
TM 9-2350-287-20-1
2-351