TM 9-4120-402-14
5-8. LOGIC BOX ASSEMBLY (LGC1). - continued
(u) Reset by placing S2 and S6 in the OFF position and turning the MODE switch to OFF/RESET and back to
HEAT. Place S7 in the OFF position, then place S4, S5, and S6 in the ON position. Next, place S1 in the ON
position, followed immediately by S7. LEDs 1 and 7 shall turn off. In 10 seconds LED 3 illuminates and LED 7
stays off. S4, S5, and S6 should have no effect
(v) Reset by placing switches S1 through S7 in the OFF position and setting MODE switch to OFF/RESET and
back to HEAT. Place S4, S5 and S6 in the ON position, followed by S7. The following routine shall occur:
1
LED 1 shall turn off and LED 7 shall remain illuminated.
2
For the next 8 seconds: LEDs 4, 5, and 6 shall illuminate. LED 7 remains illuminated.
3
For the next 2 seconds: LEDs 4, 5, 6, and 7 turn off,
4
For the next 2 seconds: LEDs 4, 5, and 6 shall continue to be off. LED 7 shall illuminate.
5 Steps 2 through 4 shall repeat twice. Then LEDs 4, 5, and 6 illuminate and LED 7 remains illuminated. End
of routine.
(w) Reset by placing switches S1 through S7 in the OFF position and setting MODE switch to OFF/RESET and
back to HEAT. Place S4, S5, and S6 in the ON position followed immediately by S7, then S2. If LEDs 4, 5,
and 6 are illuminated they shall turn off and in 10 seconds LEDs 3, 4, 5, and 6 illuminate and LED 7 remains
illuminated.
(x) Reset by turning MODE switch to OFF/RESET however, keep S2, S4, S5, S6 and S7 in the ON position. Then
turn MODE switch to HEAT. LED 1 shall not illuminate. LED 7 shall illuminate. In 10 seconds LEDs 3, 4, 5,
and 6 illuminate and LED 7 remains illuminated.
(4)
Vent mode test.
(a) Reset by turning MODE switch to OFF/RESET and placing switches S1 through S6 in the OFF position. Then
turn MODE switch to VENT position. In 2 seconds LED 7 shall illuminate.
(b) Rotate TEMPERATURE control from WARM to COOL position and back to WARM.
LED 7 remains
illuminated. Temperature setting should have no effect.
(c) Turn test fixture power off and then back on again. In 2 seconds LED 7 shall illuminate.
(d) Place S4 in the ON position. The following routine shall occur.
1
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.
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