2-306.4 Change 4
TM 9-2350-267-20
C
D
Use a multimeter and check for voltage at the ENGINE SYSTEM POWER
on the test box in the CONSTANT and SWITCHED power jacks. If
multimeter indicates between 22 and 28 vdc for both check, go to step D.
If voltage reading is not between 22 and 28 vale, perform engine AFES
troubleshooting procedure per applicable fault LED. Verify problem
solved.
Run a system test by pressing the engine AFES T/A panel toggle switch
to SYSTEM TEST and release. If yellow FAULT lamp illuminates,
observe the red LED’s for fault isolation. If the FAULT lamp illuminates,
go to step E. If the FAULT lamp does not illuminate, go to step H.
