TM 9-4120-404-14
3-37. LOGIC BOX ASSEMBLY (LGC). - Continued
b. Test. - Continued
e.
Steps b-d shall repeat twice. Then, LED 4 illuminates and LED 7 remains illuminated. End of
routine.
12. Place S4 in the "OFF" position. Reset previous fault condition by turning the mode switch, S7, to
"OFF/RESET' position, and then back to "H" position again. Still maintaining R6 set to warmest
position, wait 10 seconds and place S5 in the "ON" position. The following routine shall occur:
a.
LED 1 shall turn off LED 7 shall remain illuminated.
b.
For the next 8 seconds:
LED 5 illuminates.
LED 7 remains illuminated.
c.
For the next 2 seconds:
LED's 5 and 7 turn off.
For the next 2 seconds LED 5 shall continue to be off and LED 7 shall illuminate.
d.
Steps b-d shall repeat twice. Then, LED 5 illuminates and LED 7 remains illuminated. End of
routine.
13. Place S5 in the "OFF" position, reset previous fa ult condition by turning mode switch, S7, to
"OFF/RESET" position and then back to "H" position. still maintaining R6 set to warmest position,
wait 10 seconds and then place S6 in the "ON" position. The following routine shall occur:
a.
LED 1 shall tur n off LED 7 shall remain illuminated.
b.
For the next 8 seconds:
LED 6 illuminates.
LED 7 remains illuminated.
c.
For the next 2 seconds:
LED's 6 and 7 turn off.
For the next 2 seconds LED 6 shall continue to be off and LED 7 shall illuminate.
d.
Steps b-d shall repeat twice.
Then, LED 6 illuminates and LED 7 remains on.
End of
routine.
3-92