TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
v.
AFES, ENGINE (continued).
(7) AFES MEGOMETER TROUBLESHOOTING
PROCEDURES (continued).
G.
1. Test each engine system fire extinguisher
fault recognition circuit by placing test box
toggle switch in FAULT position.
NOTE
The corresponding fault LED on the
engine AFES T/A panel should
illuminate immediately upon insertion
of the fault and should go off as soon
as the toggle switch is returned to the
ACTIVE position.
2. Observe the engine AFES T/A panel fault
LEDs.
Replace engine AFES T/A panel (para 21 -13).
Verify problem is solved.
H. 1. Test the fire extinguisher activation cir-
cuitry by momentarily activating the engine
T/A panel MANUAL DISCHARGE switch lo-
cated under the red switch guard.
2. Observe the engine AFES T/A panel and
test box auto FEXT LEDs.
Replace engine AFEST/A panel (para 21-13).
Verify problem is solved.
Continued on next page
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