CONTINUED FROM STEP D
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.
H Test each engine system fire extinguisher fault recognition circuit by placingc
test box toggle switch in FAULT position. Observe the engine AFES T/A
panel fault LEDs. If the engine AFES T/A panel fault LED’s illuminate
properly, go to step I. If the fault LEDs fail to illuminate properly, replace
engine AFES T/A panel (p 14-39). Verify problem is solved.
I Test the fire extinguisher activation circuitry by momentarily activating the
engine T/A panel MANUAL DISCHARGE switch heated under the red
switch guard. Observe the engine AFES T/A panel and test box auto FEXT
LEDs. If the AUTO FEXTLEDS illuminate on the engine AFES T/A panel
and the test box, go to step J. If the LED’s do not illuminate, replace the
engine AFES T/A panel (p 14-39). Verify problem is solved.
2-306.7 Change 4
TM 9-2350-267-20
