TM 9-4120-402-14
5-8. LOGIC BOX ASSEMBLY (LGC1). - continued
(d) Rotate AMBIENT control to COOL position. Rotate TEMPERATURE control to COOL position. Place S4 in
the ON position. The following routine shall occur:
1
LED 2 shall turn off and LED 7 shall remain illuminated.
2
For the next 8 seconds: LED 4 illuminates. LED 7 remains illuminated.
3
For the next 2 seconds: LEDs 4 and 7 turn off.
4
For the next 2 seconds: LED 4 shall continue to be off. LED 7 shall illuminate.
5
Steps 2 through 4 shall repeat twice. Then LED 4 illuminates and LED 7 remains illuminated. End of routine.
(e) Place S4 in the OFF position. Reset by turning the MODE switch to OFF/RESET position and then back to
COOL position. Still maintaining TEMPERATURE control set to COOL position, wait 10 seconds and then
place S5 in the ON position. The following routine shall occur:
1
LED 2 shall turn off and LED 7 shall remain illuminated
2
For the next 8 seconds: LED 5 illuminates. LED 7 remains illuminated.
3
For the next 2 seconds: LEDs 5 and 7 turn off.
4
For the next 2 seconds: LED 5 shall continue to be off. LED 7 shall illuminate.
5
Steps 2 through 4 shall repeat twice. Then LED 5 illuminates and LED 7 remains illuminated. End of routine.
(f)
Place S5 in the OFF position. Reset previous fault condition by turning the MODE switch to OFF/RESET
position then back to COOL position. Still maintaining TEMPERATURE control set to COOL position, wait 10
seconds and then place S6 in the ON position. The following routine shall occur:
1
LED 2 shall turn off and LED 7 shall remain illuminated.
2
For the next 8 seconds: LED 6 illuminates. LED 7 remains illuminated.
3
For the next 2 seconds: LEDs 6 and 7 turn off.
4
For the next 2 seconds: LED 6 shall continue to be off. LED 7 shall illuminate.
5
Steps 2 through 4 shall repeat twice. Then LED 6 illuminates and LED 7 remains illuminated. End of routine.
(g) Place S6 in the OFF position. Reset by turning the MODE switch to OFF/RESET position and then back to
COOL position. Place S4 in the ON position for 2 seconds then place S4 in the OFF position. The following
routine shall occur:
1
LED 2 shall turn off and LED 7 shall remain illuminated.
2
For the next 8 seconds: LED 4 illuminates. LED 7 remains illuminated.
3
For the next 2 seconds: LEDs 4 and 7 turn off.
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