TM 9-4120-404-14
3-37. LOGIC BOX ASSEMBLY (LGC). - Continued
b. Test. - Continued
5. Place S4 in the "OFF" position. Reset previous fault condition by turning the mode switch, S7, to
"OFF/RESET" position, then back to "V" position again. Still maintaining R6 set to warmest position, wait
10 seconds and then place S5 in the "ON" position. The following routine shall occur.
a. LED 7 shall illuminate.
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.
d. For the next 2 seconds:
LED 5 shall continue to be off.
LED 7 shall illuminate.
e. Steps b-d shall repeat twice. Then, LED 5 illuminates and LED 7 remains illuminated. End of routine.
6. Place S5 in the "OFF" position. Reset previous fault condition by turning the mo de switch, S7, to
"OFF/RESET" position, then back to "V" position again. 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 7 shall illuminate.
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.
d. For the next 2 seconds:
LED 6 shall continue to be off.
LED 7 shall illuminate.
e. Steps b-d shall repeat twice. Then, LED 6 illuminates and LED 7 remains illuminated. End of routine.
3-96